Free online escape & horror game
1. Press Enter to reveal the cursed grid.
2. Tap a tile to flip it and its four neighbours.
3. Watch how each press ripples across the board.
4. Plan a sequence that switches everything off.
✦ Atmospheric weightless cosmic dread with mutable horror audio
✦ Lights-out logic puzzle that is easy to learn, tough to master
✦ Full touch and keyboard support — phone, tablet or desktop
✦ Instant browser play, no download or sign-up
Play Phantom Circuits free — no download.