- User interfaces - Home page, Scene selection page, game over page, pause/resume game, etc.
- More kinds of birds with different skills - The Blues, Chunk, Bomb, Matilda, Hal, Terence, etc.
- More kinds of pigs - Captain Pig, King Pig, etc.
- Scores and evaluation.
- More materials and buildings - Stone, Glass, etc.
- More scenes with creative and insteresting design.
- Add lively elements - backgrounds, music, sound effects, scene animation.
- Sketch the orbit where the birds fly
- Add animation that birds jump to the catapult.
- Add endurance to woods, stones, etc. for they could be destroyed by collision.
- Add animation or effects to simulate the damage of objects.
- Optimize the physical model and properties of birds, pigs and obstacles.
- Enlarge the scene and enable the viewport to move and zoom according to the position of birds.
- Optimize the parameters and algorithm to map the positions of hands obtained from Leap Motion to screen.