A very fast algotithm solve each puzzle in 0,02 sec. and only need 1 sec. to produce one from over 5 billion puzzle. Includes 3 various Gamemode (Training, Timerun and Arcade) for extra alternation. 5 various level for each gamemode. Many helps avaible. Experienced players can deactivate the helps all the time. Included high score tables for each level and each gamemode. The game comprises many various gameboards and stones.