Good start

Poseidon wants to return his beloved golden sharks back to the Greek seas, go to a small island and help God find his subjects!)

Poseidon wants to return his beloved golden sharks back to the Greek seas, go to a small island and help God find his subjects!) 
A relax game in which you have to find 30 golden sharks hidden on the island and underwater in order to return them to Poseidon. 
Peculiarities: 
-Genre: Simulator - search of hidden objects 
-Open world (small island and underwater world) 
-Relaxing soundtrack 
-Simple, relax gameplay - walk and look for golden sharks, they can be anywhere on the map. 
-Theme: Ancient Greece and nice graphics

Good Game Database

Poseidon Achievements

Good start