Cute Mermaid Rescue Underwater is a free-to-play role-playing game developed by FunSimulation for Android. The game is set in a magical underwater world where mermaids are in danger of being eaten by sharks and trapped by magicians. The player's goal is to rescue the mermaids, inject them with serum, and bring them to safety.

The game features a variety of challenges and obstacles, including avoiding sharks and navigating through dangerous areas. The player must also use their problem-solving skills to find the mermaids and figure out how to rescue them. With colorful graphics and engaging gameplay, Cute Mermaid Rescue Underwater is a fun and entertaining game for players of all ages.