Tricky Doc is a puzzle game developed by Taiyo System and released in 1990. The game features a grid of blocks that players must arrange to form a picture of a doctor. The game features a unique 'trick' system that allows players to swap blocks with each other to complete the picture. The game features a time limit, adding an element of urgency to the gameplay. Tricky Doc was well-received for its innovative gameplay mechanics and challenging difficulty.