Turn off all the lights on the cube! Whenever you select a light, it toggles itself on/off, as well as its 4 neighbours. You will have to contend with the 3D nature of the cube and the light effects wrapping around the edges of the cube. This puzzle is the hardest puzzle you'll ever attempt! New in 1.1: -Added a saving and loading features that you can access from the game's pause menu. -Refined and optimized tap detection on the cube buttons, so responsiveness should be orders of magnitude better.