Press green flag at least twice for best results DO NOT USE FULL-SCREEN - IT MESSES IT UP! (test it) DO NOT USE FULL-SCREEN - IT MESSES IT UP! (test it) All instructions are in game, and it is possible! You can beat the game if you get 15. Harder than it looks.
I was kind of inspired by "Geometry Dash"'s Wave Mode, and by the game "Wave Wave". You can also relax to the calming music I included in the game. It is a bit hard sometimes...