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Puzzle · Play now

Switch Out

One press flips a cross. Turn off every light.

LET'S PLAY

Preparing the game.

Press a cell to flip it and its orthogonal neighbors on the 5×5 board. Filled circles are on, empty circles are off. Pressing the same cell twice cancels its effect. Use clicks, taps, or arrows with Enter/Space. Every puzzle is solvable and requires at least 10 presses in an optimal solution.

Records and nicknames are public. Bests belong to this browser; clearing cookies or changing devices creates a separate player.

HOW TO PLAY

Switch Out Play guide

One press flips a cross. Turn off every light.

How to play

  1. Press a cell to flip it and its orthogonal neighbors on the 5×5 board. Filled circles are on, empty circles are off. Pressing the same cell twice cancels its effect. Use clicks, taps, or arrows with Enter/Space. Every puzzle is solvable and requires at least 10 presses in an optimal solution.

Scores and ranking

Fewer presses wins, then faster completion. Equal results share rank. Finish within 2 hours. Weekly and all-time TOP 20 use personal bests. Weeks reset Monday 00:00 Korea time (UTC+9).

Tips

Plan the next move before acting. Use the same device when comparing your records.

No installation or registration. Nicknames and records are public. Browser cookies identify players; clearing them or changing devices creates a new player.