The game allows the player to control either the Confederate or Union troops during the Battle of Gettysburg in the American Civil War. It can be played as single scenarios, or as a campaign of linked scenarios, either recounting the original history or exploring alternative possibilities.
There was a large online following when the game was being hosted on Mplayer. Since moving to GameSpy the game has dwindled in popularity for online players. However, a few players can still be challenged to online play at the GameSpy lobby. At the pinnacle of online play there were many groups of players. A competitive ladder was also a fixture of this time, where the hall of fame can still be viewed. "Case's Ladder" Online play is now, for the most part, impossible due to the shutdown of GameSpy's servers. As of 2017, the game is still playable online with GameRanger.
Development
The engine was also used for the Napoleonic game Waterloo: Napoleon's Last Battle, both by BreakAway Games.
Reception
Gettysburg! was a commercial success, with more than 200,000 copies sold by August 1999. At the time, Jeff Briggs of Firaxis commented that the game "did extremely well for us". From critics, it received "universal acclaim" according to the review aggregation website Metacritic. Gettysburg! was a finalist for the Academy of Interactive Arts & Sciences' 1997 "Strategy Game of the Year" award, which ultimately went to StarCraft and Age of Empires. Similarly, the Computer Game Developers Conference nominated Gettysburg! for its "Best Strategy/Wargame" Spotlight Award, but gave the prize to . However, it was named the best computer wargame of 1997 by Computer Gaming World, Computer GamesStrategy Plus and GameSpot. The editors of Computer Gaming World called it "the return to form of arguably the best designer ever", and wrote that "this is one game that really will play until Johnny comes marching home." Next Generation reviewed the PC version of the game, rating it five stars out of five, and stated that "Gettysburg is an excellent first offering from Firaxis. It not only overshadows previous historical sims, but it also beats most of the realtime strategy games available today." In 1998, Gettysburg won the Origins Award for Best Strategy Computer Game of 1997.
Legacy
Gettysburg had a large modification community. Players can customize uniforms, maps, sounds, and units. This aspect of tweaking the game proved vital to Civil War aficionados looking for historically accurate models. This ultimately led to the creation of other famous battles such as the Battle of Fredericksburg, the First Battle of Bull Run, the Peninsula Campaign, and more. Gettysburg was followed by Sid Meier's Antietam!