Circle Affinity is a free circular platformer game developed by Kenny Sun for Android devices. It is designed to be a love letter to circles, with the player running around in circles for no particular reason. The game features a control scheme that is easy to understand, allowing the player to navigate through a series of circular hazards.

The game has no filler content, with a seemingly infinite number of meticulously handcrafted circles to explore. There are three circular game modes and three circular challenge modes, but players are warned that some of the challenge modes may trigger epilepsy. The game also has 60 color palettes to unlock, adding to the overall experience.

Circle Affinity is a fun game with pretty entertaining gameplay. However, there are some ads and in-app purchases that may be annoying to some players. The game also features 11 original and remix tracks from Jack+Jim, which add to the overall experience. Overall, Circle Affinity is a great game for those who love circles and want to experience a unique circular platformer game.