Mystery level:
Successfully complete each level in career mode to unlock the "Mystery"
level. This level requires that you find and kill a Megatooth shark.
Bonus items:
The following bonus items can be found in the corresponding career mode
level.
California Beach: Improved Suit
Ajanta Temple: Pneumatic Speargun
Cuba Caves: Improved Fins
Caribbean Wreck: Improved Tank
Rhodes Temple: Heavy Pneumatic Speargun
Australian Reef High: Tech Fins