Sid Meier's Antietam!
Sid Meier's Antietam!, the sequel to 1997's Sid Meier's Gettysburg!, is a real-time tactical wargame that allows players to reenact the costly Battle of Antietam.
- Developer: Firaxis Games, BreakAway Games
- Publisher: Electronic Arts
- Released: 1999-12-13
- Genres: Real Time Strategy (RTS), Strategy