- 3 Man Chess. Commercial three player chess variant on a round board.
- Cyclohex. 3-player round hex variant. (24x5, Cells: 120)
- Double Cross Besiege. A spinoff from Besiege Chess using FIDE-size armies. (8x16, Cells: 96)
- Singularity Chess. A fixed and fully notated form of singularity chess.
Total items listed: 4