Right-angle puzzles challenge players to think laterally.
Addictive room-escape puzzle game has dashes of violence.
Deceptively simple puzzle game boasts a hefty challenge.
Funky physics puzzler dependent on hints, social network.
Challenging and addictive car-building physics app.
Only expert puzzle fans need apply.
Solve tricky puzzles to help professor retrieve his photos.
Tough but fun geometry puzzles for brainy players.
Trial version of game has great puzzle creator.