Flying 2048 - Flying 2048... quite possibly the most "addicting" game in the world.
Flappy Bird Online - Play the Original Flappy Bird Game Online.
Need for Feed - Need for Feed is a wonderful skill based game where you help a bird eat as much food as possible.
Flappux - HTML based clone of Flappy Birds that is unapologetically free software.
Tricky Sky - In Tricky Sky you must fly as far as you can while avoiding the bats.
99 problems - 99 Problems is a small game consisting of 99 seamless levels of minimalistic, challenging, jumping action.