A push-and-slide puzzle game. You win by placing a panel of the same color on the location of a colored sphere. The pushed-out block becomes the next block, so you need to think about the shape when inserting it.
Puzzle
PC (Microsoft Windows)
Single player
PC (Microsoft Windows) - Oct 31, 2018
CUCU (Stylized title)
CUCU² (Alternative title)
くく² (Japanese title - stylized)