Once you learned that on one of islands there are treasures, and you floated with the team there. But having examined the island, and having found not nothing, your team threw you by the big ship on this small island. To get out from the island, you should find 20 diamonds, then the way home will open.
It is online game from the category QUESTS,
can play free of charge on game2ok. Already played it 4111 times, the game was added by