Flapping Bird 3D is a simple and addictive arcade-style game where the player controls a bird flying through a series of obstacles. The game features three-dimensional graphics and physics-based gameplay, making it challenging yet entertaining. The player must navigate the bird through gaps in pipes and other obstacles while avoiding collisions. With each successful pass, the speed increases, making the game more difficult. The goal is to achieve the highest score possible by flying as far as possible without crashing.