Keep it classic
The familiar contest of foresight and position. Play traditional chess against the computer or share a board in local hot seat.
Definitive Edition
Make your move.
Command extraordinary Champions. Outthink a changing board. This is chess with a little more magic.
01 / A different kind of chess
Start with the game you know. Add two Champions with powers of their own, then adapt when Chaos changes the battle. Or keep it classic—the choice is yours.
Thunderstorm: lightning strikes the middle of the battle
The familiar contest of foresight and position. Play traditional chess against the computer or share a board in local hot seat.
Choose your Champions and learn to turn a warning into an advantage. Your best plan may need a little improvisation.
Interactive lessons introduce the board, movement, and the new rules. Learn a little, then put it into play.
02 / Choose your Champions
Thirty-four Champions bring new movement and abilities to the board. Choose two for a match. Unlock more as your campaign unfolds.

Freeze all enemy pieces within 2 squares. They cannot move on your opponent’s next turn. The Crusader vanishes after use.
Featured Champions
Choose two Champions for your match.
Select a card to see its movement and ability above.
03 / Chaos Events
Twelve events can change the rules, reshape the board, or turn your own pieces against you. Read the warning, then make your next move count.

Chaos Event 01 / 12
Choose an event to see what changes.
Swipe to explore all 12 events
See what’s coming.
Prepare your pieces.
Find your next advantage.

04 / The story campaign
The Forgotten Empress
The Forgotten Empress returns for revenge, leading an army of long-lost chess pieces. Defend the Chess Kingdom across ten chapters, unlock powerful Champions, and adapt as Chaos changes the battle.
Learn the board
Gather your Champions
Face the Empress
05 / Seven scenarios
Seven scenarios change the objectives, starting positions, or rules of a regular chess match.
See Chaos in motion
See the Champions, the Chaos, and the board come to life.
Chaos Chess: Definitive Edition
Also being developed for iPhone. Mobile release details to follow.
Yes. Classic mode keeps traditional chess rules. Choose Chaos when you want Champions and events to change the contest.
No. Interactive tutorials introduce the fundamentals and the special rules. You can learn against the computer before taking on the campaign and scenarios.
The story campaign expands your collection as you progress. Choose from your unlocked Champions when setting up a match.
Visit the Steam page for the latest release information, and add Chaos Chess to your wishlist.