Flappy Bird is a mobile game that was released in 2013 by Vietnamese developer Dong Nguyen. It quickly gained widespread popularity due to its addictive gameplay and simple mechanics, but also drew controversy and attention for its difficulty and frustration factor.

In the arcade game Flappy Bird, clients take control of a very small bird and guide it through a sequence of pipes with gaps in them. The goal is to get through the gaps without running into the pipes or the ground, which calls for feed careful planning and timing is everything. The object of the game is to get the highest score possible by earning points for each gap that can be completed effectively through. One of the defining characteristics of Flappy Bird is its high level of difficulty.

The gameplay of the game is notoriously harsh, with players frequently finding it difficult to keep the bird in the air and stay clear of obstacles. Because of this, a lot of players develop an addiction to the game, constantly trying to beat other players' or their own high scores and posting their accomplishments on social media. Flappy Bird also garnered attention for its minimalist graphics, featuring pixel art and simple animations, which gave it a retro and nostalgic feel.

The game's creator, Dong Nguyen, eventually removed Flappy Bird from the app stores in 2014, citing the game's addictive nature and the negative impact it had on his life. However, the game's popularity and legacy continued, with numerous clones and spin-offs created by other developers.

Flappy Bird is often remembered as a cultural phenomenon that captures the attention of millions of players around the world, despite its challenging and frustrating gameplay. It has also sparked discussions about game design, addiction, and the impact of mobile games on mental health, making it a notable and memorable entry in the history of mobile gaming.