From the previews and pictures, you can probably tell this is a game based on fast thinking. With one tap on the screen, you can control the movement of a customizable sphere. This is a highly addicting game, that comes with challenges, cool spheres and roads, and high scores to beat. The thing I love about this game is the fun changing colors, and that anyone can play. The thing I very much despise about the game are some of the challenges. Particularly the challenges that involve completing a task so many times in a row. Often when ads pop up, it causes the game to freeze, or gives me the black screen of death, forcing me to close and restart the app. This is super frustrating when you’re trying to complete a challenge that consists of doing certain runs in a row. I believe the challenge I’m on currently is to switch lanes 55+ times 5 times in a row, and when I got to 4 out of 5 times of doing so, an ad popped up, the game crashed because of it, and when I restarted the app, it took me back to 0 times of doing said task, in a row. This is what caused me to quit playing the game. I don’t believe it’s fair, not everyone has time to play the game consistently throughout challenges. I hope the game developers see this and try to fix this issue, because it is why I will no longer be playing. I never rate apps, but because of how nerve racking this problem is, I felt the need to give my feedback.