A small green cube living in a geometric world has been exposed to unknown radiation. Now our hero has small wings and he got the ability to fly. In order to practice this, our hero decided to fly a certain route. You in the game Flappy Cube Challenge will need to help him with this. By clicking on the screen with a mouse, you will force our hero to flap his wings and thus keep him in the air. In flight, try to collect various items and of course do not let the square encounter various kinds of obstacles.