"Yellow Game" is a free game designed by Bart Bonte for iPhone users. The game's objective is to make the entire screen yellow in all 50 levels, each level with its own unique logic. The game has a simple yet captivating design, and the user interface is easy to navigate.

The game provides a light bulb button in the bottom right corner of each level, which appears after a while and provides hints to help the user complete the level. There are multiple hints available for each level. Moreover, users can unlock premium features through an in-app purchase, which removes ads before the hints.

Overall, "Yellow Game" is an exciting and challenging game that is perfect for users who enjoy solving puzzles. The game's simple design and easy-to-use interface make it accessible to users of all ages and skill levels.