This is a levels pack for On The Edge
game, which means that it's the same game, but with new levels. The levels are very hard from the very beginning, so it's advisable to play the original game before playing this one. The game itself consists in moving a box on tiles. White tiles disappear when the box steps on them once. Tiles of other color have different properties depending on their color. Your goal is to make removable all tiles disappear and end the level with the cube on the red tile.