Geometry Dash

Geometry Dash is a survival game developed by RobTop Games. It is a game involving a small cube icon (varies) jumping around random obstacles provided by the original artists on newground.com, and if you know how to create you can choose a tune from there.
The following table tells all GD levels.
Name 	Difficulty	Secret stars needed (unnecessary)	Number
Stereo Madness	Easy 	N/A 	01
Back On Track 	Easy 	N/A 	02
Polargeist 	Normal 	N/A 	03