There are three different themes in this game, including amusement park, marine world and cosmic space with 15 levels in total. Try not to touch the obstacles and pass though with caution.
Instructions: Press the up key to forward Press the down key to slow down backward, pay attention to avoid enemy. Have fun.
A context menu should be shown when right-clicking or, on touch devices, long-pressing in the game. This menu especially allows to play in full screen and control the volume.