Games
Games for
your board.
33 game modes and variants. Install one straight to your board over USB, or download the source and make it your own.
Featured Games
Hand-picked favorites from the Open Chess team.
CommunityAtomic Chess
Every capture sets off an explosion
OfficialChess960
Randomized back rank, no opening theory
OfficialPlay Against a Bot
Set up the pieces and play, no Wi-Fi needed
OfficialClassic Chess
Standard rules, guided by light
CommunityDuck Chess
There is a duck, and it is in the way
OfficialKing of the Hill
Walk your king to the center and win
Ready to play now
Installs straight to your board over USB.
Atomic ChessEvery capture sets off an explosionVariants2 players
Chess960Randomized back rank, no opening theoryVariants2 players
Play Against a BotSet up the pieces and play, no Wi-Fi neededClassic1 player vs bot
Classic ChessStandard rules, guided by lightClassic2 players- King of the HillWalk your king to the center and winVariants2 players
- Red LightRed pieces are frozen, green pieces are freeSkill modes2 players
- Atomic ChessEvery capture sets off an explosionVariants2 players
- Chess960Randomized back rank, no opening theoryVariants2 players
- Fog of WarYou only see what you could attackVariants2 players
- Duck ChessThere is a duck, and it is in the wayVariants2 players
- CrazyhouseCaptured pieces become yours to dropVariants2 players
- King of the HillWalk your king to the center and winVariants2 players
All games
- CommunityReady to install
Atomic Chess
Every capture sets off an explosion
Variants2 playersSource included - OfficialReady to install
Chess960
Randomized back rank, no opening theory
Variants2 playersSource included - CommunityIn development
Fog of War
You only see what you could attack
Variants2 players - CommunityIn development
Duck Chess
There is a duck, and it is in the way
Variants2 players - CommunityIn development
Crazyhouse
Captured pieces become yours to drop
Variants2 players - OfficialReady to install
King of the Hill
Walk your king to the center and win
Variants2 playersSource included - OfficialIn development
Three-Check
Check three times and you win
Variants2 players 
OfficialIn developmentAntichess
Lose all your pieces to win
Variants2 players- OfficialIn development
Racing Kings
First king to the eighth rank wins
Variants2 players - CommunityIn development
Bughouse
Two boards, four players, shared pieces
Variants4 players, 2 boards - OfficialIn development
Horde Chess
One army of pawns against a real one
Variants2 players 
OfficialReady to installLong Chess
Two boards joined into one 8×16 field
Variants2 players, 2 boardsSource included- OfficialIn development
Seirawan Chess
Adds the Hawk and the Elephant
Variants2 players 
CommunityReady to installFour-Player Chess
Five boards, four armies, one cross
Variants4 players, 5 boardsSource included- OfficialIn development
Capablanca Chess
A wider board with compound pieces
Variants2 players, 2 boards - OfficialIn development
Giveaway Chess
Antichess, without forced captures
Variants2 players
Built something?
Every game here is an Arduino sketch using the same 64 sensors and 64 lights. Download one, change the rules, and publish it back — your game gets its own page in this marketplace, with your photos and video, for everyone to try.