Croc: Legend Of The Gobbos

All levels:
Enter [Up] [Left] [Down] [Left] [Right] [Left] [Down] [Up] [Left] [Right] [Right] [Down] [ Right] [Right] [Up] as a password.

Hidden Island 5-b:
Enter [Left] [Left] [Left] [Left] [Down] [Right] [Right] [Left] [Left] [Down] [Right] [Down] [Left] [Up] [Right] as a password to access the final level of hidden Island 5-b.