jsreed5.org /live/cgi-bin/twisty/lights-out.cgi

Interactive Lights-Out

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Here you can play with a textual representation of Lights-Out.

This puzzle consists of a five-by-five grid of lights. In the solved state, the lights are all off. Pressing a light turns it on or off, as well as turning on or off all the lights directly adjacent to it. Pressing multiple lights mixes up their states.

Use the links below to alter the puzzle state.

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Current State

    A   B   C   D   E
  +---+---+---+---+---+
1 |   |   |   |   |   |
  +---+---+---+---+---+
2 |   |   |   |   |   |
  +---+---+---+---+---+
3 |   |   |   |   |   |
  +---+---+---+---+---+
4 |   |   |   |   |   |
  +---+---+---+---+---+
5 |   |   |   |   |   |
  +---+---+---+---+---+

Reset puzzle

Scramble puzzle