The moon suddenly broke apart and its fragments fell into the ocean in Go Diego Go! Diego's Underwater Adventure. Diego volunteered to find all the fragments and to do this he will have to explore several locations and perform certain actions. Locations: - an island cave, in which Diego will point you to a figured hole, and you will take out the contents from it, the task is to find a lunar fragment; - an underwater city in which you need to solve three riddles from a talking door, and then find a fragment in the bubbles; - ocean gardens, in which at crossroads you need to choose the right path and find ten seahorses, one of which is holding a fragment; - a bay of jellyfish, in which you will have to communicate with puffer fish and listen to their panting in order to place them in the correct order, and they will give up the fragment. The final shard is found in a treasure chest in Go Diego Go! Diego's Underwater Adventure.