Move with ← ↑ → ↓ or WASD · Hold SPACE to BOOST · You can't reverse.
The grid corrupts under your trail. Don't fall in. Last cycle standing wins the wave.
You're a light-cycle on a decaying grid. Every tile you cross corrupts a few seconds later and falls away. Outlast the AI cycles — the longer the wave runs, the smaller the safe board.
Arrow keys / WASD to turn. On phone, drag the joystick.