Ryokan puzzle description:
Ryokan is an addictive action puzzler. Rotate and drop your quad to form a new quad of the same color. When the eraser sweeps by it'll be cleared. The more blocks you clear at once the higher your score! Special bomb blocks are activated by clearing them. Once activated, all connected blocks of the same color will be destroyed.
Five levels of original graphics and music!
Up arrow to rotate clockwise. Enter to rotate counterclockwise. Left and right arrows to move. Down arrow to drop. Space to pause.
Look for instructions of the Ryokan inside the game.