Play chess with a 3D board and rotatable pieces. Challenge the computer on three difficulty levels or compete online against real players. Track moves, undo turns, and view piece statistics. Save games and review match history.
Learn through step-by-step lessons from a world-champion AI tutor. Practice with six sparring partners of varying difficulty. Play games without hints against AI opponents rated nearly world-champion level.
The app provides a free game clock for two players. It is designed for simplicity and offers precision up to a hundredth of a second, with buzz sounds for time out warnings.
Play a 3D game by matching and removing identical tiles from a pyramid. Challenge yourself to clear the board by pairing open tiles. Learn and practice rules through guided gameplay. Track progress and replay previous games.
Play against a real opponent locally or online. Trap opponent's pieces between your own to capture them. Switch piece colors during gameplay. Compete to have the most pieces remaining when the board is full.
Find differences in HD images to earn time. Each image has three variations; correct identification adds 15 seconds, while incorrect touches subtract 30 seconds. New images load with an additional 60 seconds.