Author's description : Enigma is a puzzle game inspired by Oxyd on the Atari ST and Rock'n'Roll on the Amiga. The object of the game is to find uncover pairs of identically colored Oxyd stones. Simple? Yes. Easy? Certainly not! Hidden traps, vast mazes, laser beams, and, most of all, countless hairy puzzles usually block your direct way to the Oxyd stones

NetHack is a roguelike computer game originally released in 1987.

Maemo Mind is free Mastermind clone specially designed for Nokia Internet Tablets.