App Name: Serenity Game by I Conjure
Description: The developer says, “we developed this skill game to be simple to understand and play, that aims to help the gamer become more relaxed.” As the game progresses, you will need to remain calm to complete each level and get a higher star rating.
In the game, you control a white fish that you use to herd and encourage colored fish into a central whirlpool avoiding obstacles. Each of the five fish types(loner, shoal, flighty, chaser, defiant) You learn to adapt your approach to each fish type to get the best results. The free version comes with 20 levels. Once you have completed these, you can get another 100 levels with an in-game purchase.
Cost: Free / To unlock all levels in app purchase needed