Kero Kero Keroppi no Daibouken

Kero Kero Keroppi no Daibouken is a Sanrio-themed action-puzzle game released in Japan for the Nintendo Family Computer in 1991. Players guide Keroppi on a mission to rescue his girlfriend, Keroleen, from a castle.

The adventure spans seven differently themed worlds and features four stage types: maze-like surface stages, plane-flying sections, Reversi-like challenges, and lava-field stages. Item placements are predetermined, encouraging players to memorize each pattern and improve their progress through repeated play.

• Developer: Pax Softnica
• Publisher: Character Soft
• Release date: March 29, 1991
• Platforms: Family Computer, Nintendo Famicom
• Genres: Action, Puzzle