Game Breakers

You invent the fighters in Game Breakers, and an AI writes the code that makes them work. For each creation it writes JavaScript covering the visuals, attacks and behavior, that code runs on the game server, and the finished fighter goes into battle against other players' creations.

It is a multiplayer auto-battler for desktop and phone browsers, so once a fighter exists you watch rather than steer. Creation is open-ended: how a fighter looks and fights depends on what you asked for, and since every opponent grew out of someone else's idea, matches can turn out surprising.

The creator invites players to try to break the game, which fits a design that runs generated code directly in the simulation. The title makes the same promise.