Press DRIVE. The car keeps speeding up. Press STOP (or tap the road) to fit the car inside a frame. The closer the fit, the more you win: PERFECT (90%+ of the car inside) pays the frame's top prize, GREAT (78%+) and GOOD (55%+) pay smaller wins, and any overlap gives up to half your bet back. Further frames pay more. The road is wet — the car skids after you brake.

Offline demo: in this single file the game's "server" runs inside the page (the real version runs it on a server so it can't be cheated). Before you bet you see the round's fingerprint; after the round the secret seed is revealed and your browser checks it automatically.