You are about to enter a whole new kind of game. One where your wits and ability to scour the web will keep you moving forward. One where there’s always a new challenge ahead. Click Play to get started.

Xenostorm will always be free to play. But additional levels are funded by benefactors - and benefactors can also win $500 prizes. See the benefaction page! First 100 benefactions get extra entries in the draw.

Got an idea for a puzzle? We pay $100 + bonuses for puzzles used. See the writing a puzzle page.