Sonar

You can't see the walls — until you ping. Each ping sends out a ring that lights the maze for a moment before it fades back to black. Memorise, move, ping again. Three mazes, and every ping adds a second to your time.

Play Sonar — free, no download.

What makes it different

• You only see the maze for a moment after each ping.
• Every ping costs a second, so memory beats spamming.
• A Lab experiment in playing by sound and memory.

How to play

1. TAP to ping (Space) — walls light up briefly.
2. Drag to move (WASD on desktop).
3. Reach the green exit. 3 mazes.
4. Each ping adds +1 s. Fewer pings, better time.

Controls

• Touch: Tap to ping · drag to move
• Desktop: Space to ping · WASD to move

If you like Sonar

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• Beamline Studio — Build a light puzzle. We prove it's solvable. Friends play it.