Crazy Climber 2 (Japan, Harder) is a likely sequel to the original Crazy Climber arcade game, this version specifically highlights that it's from Japan and offers increased difficulty.  This suggests gameplay that retains the core mechanics of the original while adding challenges.  It's likely to feature similar climbing mechanics but with increased obstacle density or enemy encounters.  The exact developer and release date remain unknown without additional resources.

Crazy Climber 2 (Japan, Harder)

Crayon Shinchan Orato Asobo (Japan)