Geometry Dash is a 2013 side-scrolling rhythm platform video game developed by Swedish game developer Robert Topala and published by his company RobTop Games. It was released for iOS and Android in August 2013, Windows Phone in June 2014, and on Steam in December 2014. The player controls an icon and must navigate through levels while avoiding obstacles. Geometry Dash includes 26 developer-made levels: 22 are auto-scrolling, and 4 are platformer levels. It also includes a level editor, enabling players to design custom levels, share them online, and play levels created by other users.