A Harder Flappy Bird clone made with html5:
http://go.flaswf.tk/821527/gdfybd
Click the game stage to get input focus.
Move mouse cursor over “new game” to start.
Press any key or click to fly (ctrl key is recommended).
Key “P” for pausing game.
Score will be submitted automatically when game over.
Tips: keep your cursor on the “new game” position for immediate respawn.