3W Inc. (short for World Wide Wargaming) was founded in 1977 in the United Kingdom and later moved to California. It published a variety of magazines concerning the wargaming hobby, including the magazine Strategy & Tactics between the years of 1987 and 1991; the company also published The Wargamer in two different periods, from 1977 to 1988 (referred to as Volume 1) and from 1988 to 1990 (referred to as Volume 2).

• Baton Rouge: Street Fighting in the Louisiana Capital, August 5, 1862
• Published in strategy & Tactics issue #133 (1990), it was designed by Richard H. Berg.
• Campaigns in the Valley
• Published in Strategy & Tactics issue #123 (1988), it was designed by Robert G. Markham and Mark Seaman. It covers two games in one, operational level games covering the 1862 and the 1864 Shenandoah Valley campaigns.
• Forward to Richmond!
• Published in 1980 in The Wargamer, Vol. 1 issue #13, it was designed by Bob Pollard and Keith Poulter. It covered the First Battle of Manassas/Bull Run.
• Glory Road: The First Battle of Bull Run
• Published in The Wargamer, Vol. 1 issue #52 (1986), it was designed by Keith Poulter.
• Grant
• Published in The Wargamer, Vol. 1 issue #36 (December 1984), it was designed by Jon Southard. It covered the Confederate counterattack at the battle of Fort Donelson, February 1862.
• Harvest of Death: The Second Day at Gettysburg
• Published in Strategy & Tactics issue #129 (1989), it was designed by David G. Martin and Leonard Millman.
• Horse Soldiers: Forrest at Bay
• Published in Strategy & Tactics issue #119 (1988), it was designed by Richard H. Berg. It covers the battles of Brice's Crossroads and Tupulo. It was nominated for two Charles H. Roberts awards in 1988, Best Wargaming Graphics and Best Pre-World War II Board Game.

• Gods and Generals
• First person shooter video game released in March 2003 for Microsoft Windows operating system. It is based on the 2003 film Gods and Generals.

Avalon Hill was founded in 1952 by Charles S. Roberts in Baltimore, Mayrland. His game Tactics (published in 1954) is considered the first wargame. The company was sold to Hasbro in August 1998 and is currently operated as a subsidiary of Wizards of the Coast (itself a Hasbro subsidiary).

• Battle Cry
• Published in 2000 and designed by Richard Borg. This game was the 2001 International Gamers Award winner for General Strategy, 2-Player category.
• Battle Cry: 150th Civil War Anniversary
• Published in 2010 and designed by Richard Borg, this game is an expanded version of the 2000 original game.
• Bull Run: The First Major Battle of the American Civil War
• Published in 1983 and designed by Richard Hamblen.
• Chancellorsville
• Originally published in 1961 and republished in 1974, it was designed by Charles S. Roberts. The game used over 300 counters representing infantry and cavalry brigades and artillery battalions.
• This game is currently in the public domain.
• Civil War
• Originally published in 1961, it was designed by Charles S. Roberts. Avalon Hill released a computer version in 1988.
• Gettysburg
• Originally published in 1958 and designed by Charles S. Roberts, it was the first wargame to depict a historical battle. It was republished in 1961, in a revised edition in 1977, and revised again in 1988.
• This game is currently in the public domain.
• Stonewall's Last Battle: The Chancellorsville Campaign
• First published in 1988 and designed by Ed Beach, it is the fifth game in Avalon Hill's Great Campaigns of the American Civil War series.

• Polemos: American Civil War
• Published in 2008 and designed by Peter Riley, this is a set of minitures rules, designed to allow players to re-create any size engagement of the war, from division-size actions up to the largest battles such as Gettysburg.

• Command Combat: Civil War
• Published in 2011 and designed by Jeff McArthur, this is a set of minitures rules.

• THE UNION ABLAZE: A Solitaire Game of the American Civil War (1861-1865)
• Published in 2016 and designed by Erik von Rossing, this game covers the Eastern Theater of the war.

• Thunder on South Mountain
• Depicts the Septembe 14, 1862 battle. Designed by Scott Holmgern.
• This game won the 2003 Charles S. Roberts Award for best desktop publishing produced wargame.

• Summer Storm: The Battle of Gettysburg
• Published in 1998 and designed by Rick Barber. It includes two 17 inch by 22 inch operation maps, a 51 inch by 44 inch tactical map, and 980 counters.

Founded in 1970 and based in Blaine, Washington, it is one of the oldest wargame companies. One of the company's most popular lines is a series of block wargames, using wooden blocks rather than the usual cardboard counters.

• Columbia's Great Battles of History
• A series of block wargames on various time periods; the Civil War games include the following:
• Gettysburg: Badges of Courage
• A block wargame covering all three days of the 1863 battle. First published in 2004 and designed by Tom and Grant Dilgliesh.
• Shenandoah: Jackson's Valley Campaign
• First published in 2011 and designed by Tom Gilgliesh and Gary Selkirk.
• Shiloh 1862
• First published in 2010, it is a block wargame based on the Gettysburg: Badges of Courage game.
• Bobby Lee
• A block wargame about the Eastern Theater of the Civil War, covering Pennsylvania, Maryland, the District of Columbia, and eastern Virginia. First published in 1993, it was designed by Tome Gilgliesh with artwork and graphics by Eric Hotz.
• Dixie
• A collectible card game that uses dice and special cards; it was first published in 1994 and designed by Tom Gilgliesh. Three sets of cards were published for the following battles:
• Bull Run, with 200 cards
• Gettysburg, with 250 cards
• Shiloh, with 400 cards
• Sam Grant
• A block wargame covering the Western Theater of the Civil War. First published in 1997 and designed by Tom Gilgliesh and Gary Selkirk.

• The Price of Freedom: The American Civil War 1861-1865
• Published in 2008 and designed by Renaud Verlaque, it is a strateic-level game usin a card-driven game system.

Decision Games was founded in 1988, publishing both original games and revised editions of SPI games. Some of the games are published in the Folio series (usually consisting of a 17” x 22” map and 80-100 counters) and Mini series (usually consisting of a 11" x 17" map sheet and 40 counters), both series using the Musket & Saber system of rules. The company also publishes Strategy & Tactics, a bimonthly magazine with a complete game in each issue.

• 1863
• Published in Stratey & Tactics issue #297 (March-April 2016), it was designed by Joseph Miranda.
• American Civil War
• Published in Stratey & Tactics issue #310 (May-June 2018), this game was a redesign of an original game which originally appeared in Strategy & Tactics issue #43 (1973). It was redesigned and developed by Chris Perello.
• Chancellorsville
• Published in Strategy & Tactics issue #218 (2003), it was designed by Joseph Miranda.
• The Civil War in the Far West: The New Mexico Campaign, 1862
• Published in Stratey & Tactics issue #252 (September-October 2008), it was designed by Chalres Diamond and developed by Ty Bomba.
• Jackson's Valley Campaign
• Published in Strategy & Tactics issue #284 (January-February 2014) and covered the 1862 Battles of Cross Keys and Port Republic.
• Shiloh
• Published in Strategy & Tactics issue #264 (September-October 2010), it was designed by Paul Koenig.
• War Between the States
• Warpath: Indian Territory in the American Civil War
• Published in Strategy & Tactics issue #291 (March-April 2015), it was designed by Chris Perello and followed the Hand of Destiny mingame system.
• Musket & Saber Folio series
• Chickamauga: River of Death
• Depicts the September 1863 battle. First published in 2010, it was designed by Chris Perello.
• Frayser's Farm: Wasted Opportunity
• Depicts the June 1862 battle, part of the Seven Days Battles.
• Pea Ridge: St Louis, then Huzzah!
• Part of the Musket & Saber Folio series.
• Shiloh: Grant Surprised
• First published in 2010 and designed by Chris Perello.
• Stones River: Turning Point in Tennessee
• Part of the Musket & Saber Folio series.
• Musket & Saber Mini Series
• Chantilly: Jackson's Missed Opportunity
• Depicts the final battle of the Second Manassas Campaign. First published in 2013.
• Mansfield: Crisis in the Pine Barrens
• Part of the Musket & Saber Mini series.
• Salem Church: East of Chancellorsville
• First published in 2013.
• Wilson's Creek: Opening Round in the West
• First published in 2015 and designed by Chris Perello.

• The American Civil War
• Published in 2015 and designed by Glenn Drover

• Sid Meier's Antietam!
• Computer game released for the Microsoft Windows operating system in December 1999, designed by Sid Meier, and developed by Firaxis Games. It was named by Computer Gaming World as the best wargame of 1999 and nominated for Computer Games Strategy Plus's 1999 "War Game of the Year" award.
• Sid Meier's Gettysburg!
• Computer game released for the Microsoft Windows operating system in October 1997, designed by Sid Meier, and developed by Firaxis Games. It was named as the best computer wargame of 1997 by Computer Gaming World, Computer Games Strategy Plus and GameSpot; it was also nominated as Academy of Interactive Arts & Sciences' 1997 "Strategy Game of the Year" award and the Computer Game Developers' "Best Strategy/Wargame" Spotlight Award but lost in both cases.

Founded in 1973, the company published board games, minitures games, and role playing games; it acquired the Conflict Games Company in the 1970s. The company disbanded in 1996 due to financial difficulties.

• A House Divided
• First published in 1981 and designed by Frank Chadwick. A second edition was published in 1989 and won the Charles S. Roberts Award for Best Pre–World War Two Game.
• A third edition was published by Mayfair Games in 2001.
• Johnny Reb
• Published in 1988 as a reprint of the 1983 original from Adventures Games, it was designed by John Hill. It was a minitures wargame.
• Manassas
• Published in 1975 and designed by Tom Eller, it covers the 1861 first battle.

Originally founded by Dean Essig in Homer, Illinos, the company focused on publishing individual games as part of several series. In 2001, the company was bought by Multi-Man Publishing, which continues publishing several game series.

• August Fury: The Second Battle of Manassas
• Published in 1990 and designed by Dean Essig and David A. Powell. It is the third game in the company's Civil War Brigade Series and uses two 22 inch by 28 inch maps and 550 counters.
• April's Harvest: The Battle of Shiloh, April 6 & 7, 1862
• First published in 1995 and designed by Dean Essig and Alan Wambold. It is the ninth game in the company's Civil War Brigade Series. It was nominated for the 1998 Charles S. Roberts award for Best Pre-World War II Board Game.
• Bloody Roads South: The Battle of the Wilderness May 5-7, 1865 - The South's Last Chance
• Published in 1992 and designed by James F. Epperson and Dean Essig. It is the fifth game in the company's Civil War Brigade Series and the first to use the second edition CWB rules.
• Embrace an Angrey Wind: The Battles of Spring Hill & Franklin 29-30 December 1864
• Published in 1992 and designed by Dean Essig. It is the eighth game in the company's Civil War Brigade Series and includes two 22 inch by 34 inch maps and 280 coutners.
• In Their Quiet Fields II
• Published in 1995 and designed by Dean Essig.
• No Better Place to Die: The Battle of Mufreesboro Dec. 30, 1862 to Jan. 2, 1863
• Published in 1994 and designed by Dean Essig and David A. Powell. It is the eighth game in the company's Civil War Brigade series. It uses a 22 inch by 34 inch map and 280 counters.
• It was nominated for a Charles S. Roberts award in 1994, for Best Pre-World War II Board Game.
• This Hallowed Ground
• Published in 1998 and designed by Dean Essig and David A. Powell. It depicts the Battle of Gettysburg and is the first in the Regimental Sub-Series, using an expanded version of the Civil War Brigade Series rules. It uses five 22 inch by 34 inch maps and 2,240 counters.
• It was nominated for two 1998 Charles S. Roberts awards, for Best Wargaming Graphics and Best Pre-World War II Board Game.
• This Terrible Sound
• Published in 2000 and designed by Dean Essig and David A. Powell, the game covers the Battle of Chickamauga at the regiments and batteries level. It was nomnated for two 2000 Charles S. Roberts awards, for Best Wargaming Graphics and Best Pre-World War II Board Game.
• Three Battles of Manassas
• Published in 2004 and designed by Dean Essig, David A. Powell, and Thomas Prowell. it is the fourteenth game in the company's Civil War Brigade series and uses three 22 inch by 34 inch maps and 560 counters. It covers three battles: the historical 1861 First Battle of Manassas/Bull Run, the 1862 Second Battle (a remake of the company's 1990 game August Fury), and a hypothetical 1863 Third Battle.

Founded in 1990 by Gene Billingsley, Mike Crane, and Terry Shrum and currently based in California.

• Clash of Giants: Civil War
• Published in 2016 and designed by Ted Raicer, it is based on the designer's Clash of Giants World War I game system.
• Dead of Winter, second edition
• Published in 2009 and covering the Battle of Murfreesboro/Stones River, this game is a redesign of the original game designed by Richard Berg and published by Simulations Designs, Inc. The second edition was designed by David Powell and developed by John Alsen. It is part of GMT Games' Great Battles of the American Civil War Series.
• River of Death: Battle of Chickamauga, September 19-20, 1863
• Published in 1999 and designed by Richard H. Berg, it is part of the Great Battles of the American Civil War Series. It won the 1999 Charles S. Roberts award for Best Wargame Graphics.
• The Three Days Of Gettysburg (first edition)
• Published in 1995 and designed by Richard H. Berg. It won the 1995 Charles S. Roberts award for Best Pre-20th Century Board Game and was nominated for two other awards (but lost both): Best Wargaming Graphics and Best Pre-World War II Board Game.
• Twin Peaks
• Published in 2014 and designed by Richard H. Berg, this game covers the battles of Cedar Mountain and South Mountain. It is part of GMT Games' Great Battles of the American Civil War Series.
• The U.S. Civil War
• Published in 2015 and designed by Mark Simonitch. It was nominated for two awards, the 2015 The Golden Elephant Award and the 2015 Golden Geek Best Wargame.

Guidon Games was a subsidiary of Lowry Hobbies and operated between 1971 and 1973. It produced board games and rules for minitures wargames.

• Atlanta
• A boardgame first published in 1973, with a 18.75 inch by 25 inch map and 240 counters. It contains four individual battles (plus a campaign game scenario):
• Rocky Face Ridge
• Pumpkin Vine Creek
• Kennesaw Mountain
• Peach Tree Creek
• Hardtack
• A minitures wargame designed by Lou Zocchi and first published in 1971. It was the first set of minitures rules for the Civil War.
• Ironclads
• A minitures wargame about naval combat during the Civil War. It was designed by Tom Wham and Don Lowry and first published in 1973.

• A Monstrous Fuss: The Battle of Wilson's Creek, August 10, 1861
• First published in 2013 and designed by Paul Rohrbaugh. It has four 11 inch by 17 inch maps, 280 counters, and rules.

Founed in 1989 in the United Kingdom, it was sold in 1995 to Sierra Entertainment. Impressions Games ceased operations in April 2004.

• Civil War Generals 2
• Released in October 1997, it was a computer game released for Microsoft Windows only and was a sequel to Robert E. Lee: Civil War General released the previous year. It was produced by Steve Grammot and the lead designer was Doug Gonya. Unlike its predecessor, Civil War Generals 2, it allowed for two players at the same time; it also included a scenario editor for users to create their own battles.
• Robert E. Lee: Civil War General
• Released in August 1996 and designed by Jeffrey Fiske, it was a computer game released for Microsoft Windows only. It covers the campaigns and battles of Robert E. Lee, allowing the game user to play as the Confederates only, and includes seven historical battles (such as Gettysburg and the Wilderness) and one speculative battle, an attack on Washington, D.C.
• It was nominated for Computer Gaming World's "Wargame of the Year" award for 1996 but lost to TalonSoft's Battleground 4: Shiloh.

Founded by Bill Stealy in 1995.

• American Civil War: From Fort Sumter to Appomattox
• Computer game released in May 1996 for the Microsoft Windows 3.x system and developed by Adanac Command Systems.
• North vs. South: The Great American Civil War
• Computer game released in 1999 and developed by Erudite Software.

• Manassas
• First published in 1980 and designed by Rick Britton. It was a nominee for the 1981 Charles S. Roberts Award for Best Initial Release.

• Stonewall at Cedar Mountain
• Published in 1997 and designed by Hampton Newsome, this game is a brigade-level simulation of the August 1862 battle.

• Battle of Honey Springs
• Published in 2007 and designed by Lawrence Duffield.
• Newtonia: Civil War on the Missouri Border
• Published in 2007 and designed by Lawrence Duffield, it covers both the 1862 battle and the 1864 battle.

Founded by David Heath in 1999, Matrix Games is currently based in Epsom, Surrey, United Kingdom, with subsidiary offices based in the United States, Italy, and Canada. In May 2010, it was acquired by British company Slitherine.

• Forge of Freedom: The American Civil War
• Computer game released in November 2006 for Microsoft Windows operating system, developed by Western Civilization Software.

• The Guns of Gettysburg
• Published in 2013 and designed by Bowen Simmons. It was nominated for two awards, the 2013 Golden Geek Best Wargame and the 2013 Golden Geek Best 2-layer Board Game.

Milton Bradley was a board game manufacturer that was founded in 1860; it produced a variety of games, including (starting in the 1960s) wargames. In 1984, it became a subsidiary of Hasbro and in 2009 the name Milton Bradley was dropped in favor of Hasbro Games.

• Battle Cry
• First published in 1961 and then republished in the 1970s, the game was part of Milton Bradley's American Heritage Command Decision line of games.

Founded in 1994 by four playtesters for Avalon Hill. In 2001, it purchased the company The Gamers.

• Last Chance for Victory
• Published in 2014 and designed by Dean Essig, the game covers the battle of Gettysburg. It was nominated for the 2015 Origins Awards for Best Historical Board Game.
• Lincoln's War
• Published in 2013 and designed by John Poniske. It was nominated for the 2013 Golden Geek Best Wargame.
• None But Heroes
• Published in 2011 and designed by Dean Essig, the game covers the Battle of Antietam/Sharpsburg. It won the 2011 Charles S. Roberts award for Best Post-Napoleonic to Pre-World War 2 Era Board Wargame.

• Huzzah! Four Battles of the American Civil War Vol. 1
• Published in 2014 and designed by Richard A. Dengel, it is a battalion level game, with units representin three or more companies of infantry and cavalry, or sections of one or two guns for artillery. It contains four scenarios:
• Stephenson's Depot (Second Battle of Winchester, Virginia)
• Rosey and the Woodpecker (battle of Iuka, Mississippi)
• Old Burn at Newbern (battle of Newburn, North Carolina)
• Smash 'Em Up! (battle of Belmont, Missouri

• Devil's Den
• First published in 1980 and written by Leonard Millman and Dr. David G. Martin. It uses a 22" by 35" map representing Devil's Den itself and the surrounding terrain, including Houck's Ridge, Plum Run Valley, the Rose Woods, and Little Round Top; the counters represent infantry regiments and artillery batteries.

• Across A Deadly Field: Regimental Rules for Civil War Battles
• Published in 2014 and designed by John Hill, it is a set of rules for minitures wargaming at a regimental level. It was nominated for a 2015 Origins Award for Best Historical Miniature Rules.

• Fire and Fury
• First published in 1990 and designed by Richard W. Hasenauer, this is a set of rules for miniatures wargaming; it includes several scenarios for the Battle of Gettysburg at the brigade level.
• Fire and Fury: Great Eastern Battles Scenario Book
• First published in 1996 and designed by Richard W. Hasenauer and Greg Lyle, this game is a set of rules for minitures wargaming; it includes scenarios for seven battles:
• 1st Bull Run/Manassas
• Seven Pines
• Gaines's Mill
• Frayser's Farm
• Cedar Mountain
• 2nd Bull Run/Manassas
• Antietam/Sharpsburg
• Fire and Fury: Great Western Battles Scenario Book
• First published in 1992 and designed by Richard W. Hasenauer, Greg Lyle, and Ray Pfeifer, this game is a set of rules for minitures wargaming, with scenarios for six battles:
• Shiloh
• Corinth
• Stones River/Murfreesboro
• Champion Hill
• Chickamauga
• Atlanta
• Regimental Fire and Fury
• First published in 2010 and designed by Richard W. Hasenauer, this game is a set of rules for minitures wargaming. It includes rules for six battles:
  • Ball's Bluff
  • Wilson's Creek
  • Seven Pines
  • Stones River
  • Little Round Top (July 2nd, 1863) at Gettysburg
  • Olustee
  The rules booklet also allows players to design their own scenarios.
• Regimental Fire and Fury: Civil War Battles Scenarios Volume 1 1861-1862
• First published in 2012 and designed by Richard W. Hasenauer, this book contains scenarios for eleven battles:
  • Big Bethel
  • 1st Bull Run/Manassas - Henry House Hill
  • Belmont
  • Pea Ridge - scenarios for Leetown and Elkhorn Tavern
  • 1st Kernstown
  • Port Republic
  • 2nd Bull Run - Brawner Farm
  • Antietam - The Cornfield
  • Iuka
  • Perryville - scenarios for Polk's Right Wing Attack, Hardee's Left Wing Attack, and the Full Battle
  • Prairie Grove
  The book contains scenarios only, not the rules for the game itself.
• Regimental Fire and Fury: Civil War Scenarios Volume 2 1862-1863
• First published in 2014 and designed by Richard W. Hasenauer, this book contains thirteen scenarios for nine battles:
  • Fort Donelson Breakout
  • Valverde
  • McDowell
  • Mechanicsville
  • South Mountain
  • Fox's Gap - Morning
  • Fox's Gap - Afternoon
  • Salem Church
  • Gettysburg
  • McPherson's Ridge - Morning
  • McPherson's Ridge - Afternoon
  • Sickles' Salient (July 2nd)
  • the Wheatfield (Caldwell's Assault)
  • Chickamauga - Viniard Field
  • Chattanooga - Tunnel Hill
  The book contains scenarios only, not the rules for the game itself.

• The Guns of Cedar Creek
• Published in 1989 and designed by Richard H. Berg, the games uses the Great Battle of the American Civil War system. It was nominated for the 1989 Charles S. Roberts Best Pre-World War II Board Game but lost to The Siege of Jerusalem (third edition).

• Dead of Winter, first edition
• First published in 1989 and designed by Richard H. Berg, it covers the Battle of Murfreesboro/Stones River. It uses the designer's Civil War Regimental Battle system. It was nominated for the 1990 Charles S. Roberts Best Pre-World War II Board Game but lost to Kadesh: Mobile Warfare in the Ancient Middle East.
• First Blood: The 1st and 2nd Battles of Manassas
• First published in 1989 and designed by Richard H. Berg.

Simulations Publications, Inc., or also known as SPI, was founded in 1969 and was acquired by TSR in 1982. The company published the bimonthly magazine Strategy & Tactics, which included a wargame in each issue. The rights of many SPI games was acquired by Decision Games, which is revising and republishing many of the games.

• American Civil War
• Published in Strategy & Tactics magazine issue #43 (1973) and designed by James F. Dunnigan.
• Bloody April: The Battle of Shiloh, 1862
• Originally published 1979, using the Terrible Swift Sword system of rules.
• Blue and Gray
• Originally published 1975, quadrigame containing the following scenarios:
• Shiloh
• Antietam
• Cemetery Hill (Gettysburg)
• Chickamauga
• Blue and Gray II
• Originally published 1976, quadrigame containing the following scenarios:
• Fredericksburg
• Hooker and Lee (Chancellorsville)
• Chattanooga
• Battle of the Wilderness
• Cedar Mountain: The Prelude to Bull Run
• Originally published in Strategy & Tactics #86, 1981
• Drive on Washington
• Originally published 1980. Covers the July 1864 Battle of Monocacy.
• Road to Richmond
• Originally published in Strategy & Tactics magazine #60, 1970
• Stonewall: The Battle of Kernstown
• Originally published in Strategy & Tactics magazine #67, 1978, it was designed by Mark Herman. It uses a variant of the rules used by Terrible Swift Sword and includes a 22" X 32" map and 100 counters. After this game proved popular, SPI developed a series of games using similar rules.
• Terrible Swift Sword: The Three Days of Gettysburg
• Originally published 1976. This was one of the largest games produced (sometimes called a "monster game"), with over 2,000 counters, a 32-page rules booklet, and three 22" x 32" map sheets. SPI would later produce several other games using a rules system similar to Terrible Swift Sword (sometimes called the TSS System).
• In 1978, SPI would develope a similar rules system for smaller battles, published in Strategy & Tactics as "Stonewall: The Battle of Kernstown". After this game proved popular, the company developed several other similiar games, using the "TSS/Stonewall system" for "mini-monsters".
• Wilson's Creek
• Originally published in Strategy & Tactics magazine #80, 1980

• Brother Against Brother
• Published in 1997 and designed by Ivor M. Janci, this is a set of rules for minitures wargaming.

Strategic Simulations was a computer and video game company that was founded by Joel Billings in 1970; the 1980 game Computer Bismark was the first commercially published computer wargame. The company was acquired by Mindscape in 1994.

• Gettysburg: The Turning Point
• Computer game released in 1986 for the Amiga, Atari 8-bit family, Atari ST, Commodore 64, and DOS systems; it was developed and published by Strategic Simulations. It won the 1986 Charles S. Roberts award for Best Military or Strategy Computer Game.

Strategic Studies Group is an Australian company that was founded in 1983 by Ian Trout and Roger Keating. It focuses on computer games.

• Decisive Battles of the American Civil War Volume 1: Bull Run to Chancellorsville
• Computer game released in 1988 for the Commodore 64 and Apple II, it was designed by Ian Trout and programmed by Roger Keating. It contains scenarios for six battles: First Bull Run/Manassas, Shiloh, Second Bull Run, Antietam/Sharpsburg, Fredericksburg, and Chancellorsville.
• Decisive Battles of the American Civil War: Volume II, Gaines Mill to Chattanooga
• Computer game released in 1988 for the Commodore 64, DOS, and Macintosh. It contains scenarios for five battles: Gaines Mill, Stones River, Gettysburg, Chickamauga, and Chattanooga.
• It was nominated for the Charles S. Roberts award for Best Pre-Twentieth Century Computer Wargame Nominee in 1988.
• Decisive Battles of the American Civil War: Volume III, Wilderness to Nashville
• Computer game released in 1988 for Apple II, Commodore 64, DOS, and Macintosh. It contains scenarios for six battles: the Wilderness, Spottsylvania, Cold Harbor, Atlanta, Franklin, and Nashville.

The company was founded in March 1995 and was aquired in December 1998 by Take-Two Interactive. TalonSoft ceased operations in 2002.

Between 1995 and 1999, TalonSoft released nine games in their Battleground series, five of which featured Civil War battles. The Battleground Civil War series were turn-based computer games released for Windows; the units were regiments/battalions for infantry and cavalry and batteries for artillery.

• Battleground 2: Gettysburg
• First released in 1995. It was nominated as the best game of the year by the magazines PC Gamer US and Computer Gaming World but both magazines instead choose Steel Panthers for the award.
• Battleground 4: Shiloh
• First released in January 1996. This won Compunter Gaming World's 1996 Wargame of the Year award, while also winning Computer Games Strategy Plus's Wargame of the Year award along with the Antietam and Waterloo games of the Battleground series.
• Battleground 5: Antietam
• First released in 1996, it covers both the battle of Antietam and the battle of South Mountain. This game as named along with Battleground games Shiloh and Waterloo as Computer Games Strategy Plus's 1996 Wargame of the year award.
• Battleground 7: Bull Run
• First released in 1997, it covers both the 1861 battle and 1862 battle of Bull Run/Manassas.
• Battleground 9: Chickamauga
• First released in 1999.

• Ironclads: American Civil War
• Computer game released for the Microsoft Windows operating system in October 2008, it was designed by Maxim Ferapontov and developed by Totem Games.

• Gettysburg
• Published in 2010 and designed by Martin Wallace.

Founded in 1973 by Gary Gygax and Don Kaye to publish the Dungeon & Dragons role playing games, the company expanded into other types of games. It was the publisher of Strategy & Tactics magazine between 1983 and 1987, when the magazine was sold to 3W. TSR, Inc. was bought by Wizards of the Coast in 1997, who discontinued using the name in 2000.

• American Civil War 1861-1865
• Designed by Joseph Reiser and Bruce Shelley, the game was published in Strategy & Tactics issue # 93 (1983).
• A Gleam of Bayonets: The Battle of Antietam
• Published in 1983 and designed by Richard H. Berg.
• Pleasant Hill: The Red River Campaign
• Published in Stratey & Tactics issue #106 (1983) and designed by David G. Martin and Leonard Millman, the game uses the Great Battles of the American Civil War system.
• Rebel Sabers: Civil War Cavalry Battles
• Published in 1986 and designed by Richard H. Berg and George E. Deutsch, the games uses the Great Battles of the American Civil War system to simulate four predominately cavalry battles:
• Kelly's Ford
• Brandy Station
• Trevillians Station
• Dutch Roads (part of the battle of Gettysburg)

Victory Games was founded as a subsidiary of Avalon Hill in 1982, with several former employees of the recently closed SPI, and continued operations until 1991.

• Across Five Aprils
• First published in 1991, it was designed by Eric Lee Smith and developed by Kevin Boylan. It contained five scenarios:
• First Bull Run
• Pea Ridge
• Shilah
• Gettysburg
• Bentonville
• The Civil War
• First published in 1983, it was designed by Eric Lee Smith. The game the war from the Eastern Theater to central Texas, with an optional map includes New Mexico; it also has optional set-ups for scenarios starting in 1861, 1862, 1863, and 1864. It won the 1983 Charles S. Roberts Award for Best Pre-Twentieth Century Game.
• Lee vs. Grant
• First published in 1988 and designed by Joseph M. Balkoski, it covers the 1864 Overland Campaign.
• Mosby's Raiders
• First published in 1985, it was developed by Eric Lee Smith. It was a solitaire boardgame based on the activities of John S. Mosby's Confederate partisan rangers.

Founded in 2007 and based in Southern California, VPG was aquired in 2018 by Tabletop Tycoon.

• The Lost Cause: The American Civil War, 1861-1865
• Published in 2010 and designed by Hans von Stockhausen.

• 1861: First Manassas
• First published in 2011 and designed by Martin Brierley.
• 1861: Hoke's Run
• First published in 2010 and designed by Martin Brierley.
• 1861: Wilson's Creek
• First published in 2010 and designed by Martin Brierley.
• 1862: Beaver Dam Creek
• Designed by Martin Brierley, it covers the battle from the Peninsula Campaign.
• 1862: Cedar Mountain
• First published in 2013 and designed by Martin Brierley, it covers the battle from the Second Manassas Campaign.
• 1862: Cross Keys
• First published in 2011 and designed by Martin Brierley.
• 1862: First Kernstown
• Designed by Martin Brierley.
• 1861: First Winchester
• Designed by Martin Brierley, it covers the battle from Stonewall Jackson's Shenandoah Valley Campaign.
• 1862: Fort Donelson
• First published in 2010 and designed by Martin Brierley.

• This Hallowed Ground
• First published in 1989 and in a revised edition in 1993.

An independent video game publisher founded in 2013 and based in Redmond, Washington.

• Ironclad Tactics
• Computer game first released in September 2013, designed by Zach Barth and Keith Holman, and developed by Zacktronics. Versions have been released for Microsoft Windows, Apple macOS X, Linux based computers, Android devices, and Playstation 4.