Registration: $9 US

Version 2.0 with improved play and difficulty levels.

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Another challenging logic puzzle by Wrenware. The game: a square grid of lighted buttons. Choose from 6 levels of difficulty. Each button pressed toggles on or off a set of lights. The challenge: Press the buttons in the correct combination to turn off all those lights! Includes music and sound effects.

Download the shareware (trial) version.