Rayman: Hoodlums' Revenge (GBA)
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Cloud Cache bonus level
Collect 25 Murphy Stamps.
Melee Mayhem bonus level
Collect all Lums.
Scalding Cascade bonus level
Rescue all Teensies.
Sulphourous Sea bonus level
Collect 16 Murphy Stamps.
Vertiginous Riddle bonus level
Collect 6 Murphy Stamps.