Terrible Swift Sword (game)
| Terrible Swift Sword (1976) by SPI | |
| Players | 2+ | 
|---|---|
| Setup time | 30 minutes to 1 hour or more | 
| Playing time | 6 to 50 hours | 
| Chance | Medium | 
| Age range | 16+ | 
| Skills | Tactics, strategy | 
| First regimental-level Gettysburg game | |
Terrible Swift Sword: Battle of Gettysburg Game (often abbreviated TSS) is a grand tactical regimental level board wargame published by Simulations Publications, Inc. (SPI) in 1976 that simulates the Battle of Gettysburg during the American Civil War. A second edition was published by TSR in 1986.