"Save the Mermaid - Pull Pin Puzzle" is a free Android game developed by 1MinitGames. As the name suggests, the game is a pin lock puzzle where the objective is to pull out the correct pin to save the mermaid and avoid the sharks. The game is easy to play, but it requires a smart, agile, and logical brain to win.

The gameplay is simple and straightforward - players need to pull out the right pin to let the mermaid escape, avoid the sharks, and reach the safe zone. With each level, the difficulty increases, and players need to use their problem-solving skills to clear the challenges. "Save the Mermaid - Pull Pin Puzzle" is a light capacity game that can be played to refresh oneself.