Flappy BirdType: [K] Cracked, [P] Patch, [SN] Serial, [KG] Keygen, [Retail] Pre-Cracked
Tap to flap your wings to fly and avoid pipes. More features coming soon!
Disclaimer: This game was originally created by Dong Nguyen.
The requirements are practically inexistent, though apparently you need OS X Lion to play it (for one reason or another). The DMG is just 3.5 MB in size, and all you need to play the game is a mouse.
Flappy Bird 1.0.dmg