Play • Analyze • Master
Pick a mode to get started. More ways to play are on the way.
2-Player Local
The classic game. Pass and play on one board with move history, undo, and flip.
Stockfish Engine
Challenge the world's strongest engine. Pick your difficulty and test your skills.
vs Stockfish · Max
Every landing cracks the square. Three cracks and the square — and the piece on it — vanishes. Play against full-strength Stockfish.
After every move the duck roams ranks 3–6 on its own — eating any piece it lands on (except kings) and blocking pieces. Trap the king to win!
Thumbnail Maker
Design custom boards for thumbnails. Place any piece (including the duck), apply crack effects (level 1–2), break squares into holes, then export a high-res PNG.
Recording Studio
Cinema-style recording arena with opponent and player tags, diamond badges, clean stream canvas, and choice of Duck, Crumble, or Standard Chess vs Stockfish.
Powerups & More
Chess variants, powerups, and themed bots. The full iwantcheckmate-style arcade.
