Starts with the letter 'O'
- Option-Suicide Chess. You can optionally destroy your own pieces. (8x8, Cells: 64) By (zzo38) A. Black.
- Orda Chess. Asymmetric variant where one army has pieces that move like knights but capture differently. By Daniel Lee.
|2 'Game' entries listed||1 'Each player has a different army' entry listed|
Total items listed: 2