100% Challenge is an arcade-style game developed by findemor for Windows. The game involves controlling the core to capture objects of the same color and avoiding touching those of a different color. The goal is to complete the progress bar 10 times to beat the 10 levels and earn the maximum reward.

The game features single and two-player modes, including a tutorial to teach the basics of the game, an arcade mode to earn points and unlock upgrades, a horde mode that is an endless arcade mode, and the ultimate challenge mode which is a real challenge where players can configure their skill tree. The game also has a colorblind mode for accessibility and a translated version for non-English speakers.

Overall, 100% Challenge is a simple, casual, and replayable game that provides a challenging and enjoyable experience. While it is the developer's first game, they have done a great job creating a game with easy-to-understand mechanics and different modes to keep players engaged. The game is available as a demo version, and the full version can be purchased to access all the game's features. The developer welcomes constructive feedback to improve the game.