In the exciting new game Geometry Neon Dash Rainbow, you will help a cube engulfed in flames to explore an ancient dungeon he has discovered. Before you on the screen you will see a dungeon in which your character will be. HE will slide forward along the floor surface gradually gaining speed. On the way of our hero will be waiting for various kinds of obstacles in the form of holes in the ground and hills of various heights. When your hero approaches them, you will have to click on the screen with the mouse. Then your cube will jump and fly through the air over this dangerous section of the road. Also, you will have to help the cube to collect various objects scattered all over the place.