The controls are explained in-game. You can also click the mouse instead of pressing space. Press 'm' to mute and 'n' to unmute. If you get more than 10 you can get a trophy! Say your score in the comments. Too hard? Try AutoFlap: http://scratch.mit.edu/projects/21893713/
This is a remix of Flappy Bird Clone by novice27b, which is a copy of the game Flappy Bird.
