Mr. Do!, originally released by Universal in arcades, is a platform puzzle game where the titular Mr. Do navigates mazes, collecting fruit and evading enemies. Gameplay involves digging tunnels, dropping bombs, and utilizing special power-ups. The game's distinctive character design and addictive gameplay led to numerous sequels and ports across various platforms.  Its success stems from its simple yet engaging mechanics, combined with charming graphics and a memorable character.

Mr. Do! (prototype)

Mouser (Cosmos)