Flap, flap, flap it goes..
seen from Switzerland
seen from United States
seen from Türkiye
seen from China
seen from United States
seen from United States
seen from Malaysia

seen from Türkiye

seen from Poland
seen from Ireland
seen from United States
seen from Yemen
seen from United States
seen from United States
seen from Finland

seen from Uzbekistan

seen from United States
seen from United States
seen from Germany
seen from India
Flap, flap, flap it goes..
Okay. Imagine the purpose of flappy bird was trying not to hit the green shits on odd numbers and trying to hit them on even numbers. And no instructions, player has to discover it.