Fairy-Stockfish has a large variety of variants already built in and can be extended further using custom variants. All the built-in games and variants are listed below.
Regional and historical games
- Xiangqi, Manchu, Minixiangqi, Supply chess
- Shogi, Shogi variants
- Janggi
- Makruk, ASEAN, Makpong, Ai-Wok
- Ouk Chatrang, Kar Ouk
- Sittuyin
- Shatar, Jeson Mor
- Shatranj, Courier
Chess variants
- Capablanca, Janus, Modern, Chancellor, Embassy, Gothic, Capablanca random chess
- Grand, Shako, Centaur, Tencubed, Opulent
- Chess960, Placement/Pre-Chess
- Crazyhouse, Loop, Chessgi, Pocket Knight, Capablanca-Crazyhouse
- Bughouse, Koedem
- Seirawan, Seirawan-Crazyhouse
- Amazon, Chigorin, Almost chess
- Hoppel-Poppel, New Zealand
- Antichess, Giveaway, Suicide, Losers, Codrus
- Extinction, Kinglet, Three Kings, Coregal
- King of the Hill, Racing Kings
- Three-check, Five-check
- Los Alamos, Gardner’s Minichess
- Atomic
- Horde, Maharajah and the Sepoys
- Knightmate, Nightrider, Grasshopper
Shogi variants
- Minishogi, EuroShogi, Judkins shogi
- Kyoto shogi, Microshogi
- Dobutsu shogi, Goro goro shogi
- Tori shogi
- Yari shogi
- Okisaki shogi
- Sho shogi