Chip's Challenge (Proto) refers to a prototype version of Chip's Challenge for the NES. Prototypes are early, unfinished builds of games that may contain bugs, missing features, or altered gameplay compared to the final release.  The game's development history and the specifics of how it differs from the final version are not readily available and require archival research into game development history.

Chip's Challenge (Proto)

Chip and Dale Rescue Rangers (U) Roketv2