Solve puzzles based on from a textbook by Sergey Ivashchenko. Identify critical moves with visual hints and feedback. View the piece to move after incorrect attempts. Track progress through structured lessons.
Play 1v1 games offline or online via Game Center. Invite friends to play or match randomly. Watch past game replays. Access an introductory tutorial. Set enforced turn timers. Customize with four themed sets. Enjoy crisp sound effects.
Play games with multiple variants including Mahjong Solitaire, ABC Solitaire, and Army Chess. Challenge opponents in real-time or solo modes. Track progress and manage settings within the .
Play on a 4x4 board with randomly arranged pieces. Make moves quickly as each game lasts about a minute. Simplified rules allow beginners to play without prior experience.