Pipi & Bibis / Whoopee!! is an arcade game with multiple sets, showcasing different hardware and sound implementations. The prototypes reveal the game's evolution, with the final versions featuring Z80 sound CPUs.  While details about the original developers and release date are scarce, these variations suggest a title that went through several revisions during its development. Gameplay likely involves the characters Pipi and Bibis, and the title suggests a potentially lighthearted or whimsical approach. The 'Teki Paki hardware' version highlights its reliance on specific hardware, possibly affecting the game's graphics or sound capabilities. The lack of sound in the 'No sound' version points to technical issues, perhaps involving missing components.

Pipi & Bibis / Whoopee!! (prototype)

Pinbo (set 1)