Key

Keys are objects from the Croc series. It can be found everywhere in a level and once collected, it can open things, such as cages or locked doors.

Silver
It is a small key and can be only found in Croc 1. Once collected it can be used to open a lock on a cage.

Gold
Is is larger than the silver key, and it is found in all Croc games. In Croc 1 they open the locked doors. In Croc 2 they are open the wooden cages.