Under The Shade Of The Trees is a set of free wargames rules for the American Civil War. They’re designed as “fast play” and suggest using standard Johnny Reb or Fire and Fury basing.
American Civil War
The Revised Brom ACW Rules
The Revised Brom is a set of free wargames rules by Jay Ainsworth for wargames set in the American Civil War. They’re based on an original set of Larry Brom rule (duh). It uses a typical Brom card activation system, a random movement distance mechanism, and simultaneous fire.
See The Elephant American Civil War Rules
See The Elephant is a set of free wargames rules for the American Civil War played on a chess-like grid.
Mighty Mean Fowt Fights ACW Rules
Mighty Mean Fowt Fights is a set of free wargames rules for American Civil War battle games played on a square grid.
Two Flags One Nation Board Game Rules
Two Flags One Nation are a set of rules for do-it-yourself American Civil War board games. The author explains how he generates maps and block pieces with his computer.