Your first click is always safe, and the square you click always opens a pocket of clear ground.

Three difficulties, pencil notes, and a unique-solution generator.

Classic 3x3, 4x4 or 5x5 Lights Out. Click a cell to toggle it and its neighbours, clear every light to win.

Watch the tiles light up, then repeat the sequence. Twelve levels.

Minesweeper on a hexagon grid, where every number can read up to six.

Four in a row on a 4x4x4 cube: 76 winning lines to watch.

Nine boards in one. Your move decides where the AI must play next.

Fly a drone through the grid, keep the battery charged and dodge the patrols.

Drop discs through the pegs and hit the centre jackpot within 20 drops.