Flappy Bird controls: Press CHIP-8 key E, which is F (or space) on your keyboard, to flap; after game over press any key to restart. Or you can touch anywhere on the screen.

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Key mapping (spacebar = all keys):

QWERTY CHIP-8
1 2 3 4 1 2 3 C
Q W E R 4 5 6 D
A S D F 7 8 9 E
Z X C V A 0 B F