Idle Fishing: All Blue is an engaging idle RPG designed for iPhone users, where players explore a vibrant fantasy sea while catching a wide variety of fish. The game features approximately 500 unique fish, each illustrated in a charming art style. Players can enjoy an easy fishing mechanic that allows them to catch fish simply by leaving the game running. With 10 distinct oceans to explore, users can travel across different environments to complete their fish collection and set weight records while competing against others in the rankings.

In addition to the fishing aspect, players can upgrade their characters, gear, and skills to improve their fishing capabilities. The game encourages strategic growth to capture rarer and more powerful fish. After a successful catch, players can relax by observing their aquarium, where they can display the fish they've caught. Idle Fishing: All Blue offers a soothing experience, combining the thrill of fishing with the tranquility of an aquarium.