Tag: Prototype
"A prototype is any version of a video game produced before the final, released game. In the case of a video game that was never commercially sold ("unreleased"), any version of such a game is a prototype."
(via N. Player)

SNES
Cooly Skunk (Prototype)
Action, Platformer 2D
English Patched, Portuguese Patched, Spanish Patched

Dreamcast
The Flintstones in Viva Rock Vegas (Prototype)
Racing
English, French, German, Italian, Spanish

NES
Bio Senshi Dan: Increaser Tono Tatakai (Prototype)
Action-Adventure
English, Japanese, Spanish Patched