1. Birdy Beach - Behind two crates by the water.
   
2. Tulsahr's Forest - Behind the shop.
   
3. Moody Mansion - In the first room with the ghost banana, jump into the painting with the Kiwi bird.
   
4. Watery Factory - Behind the giant head (in the water).

After defeating the final boss, and completing the first two bonus levels, you'll have access to a level with a giant pyramid. Go to the top of the pyramid to collect unlimited flight!

After collecting unlimited flight, you can now access different easter eggs hidden throughout the game that take you to different areas!

1. In the bonus pyramid level, fly up and into the sky. You'll see an egg outside of the normal level boundary.
   
2. Birdy Beach - Fly towards the island in the background of the map - there's an egg behind it.
   
3. Strangely Familiar Jungle - Fly up until you can get to the rim of the jungle, there's an egg located on top of it.
   
4. Tubular City - Fly up to the top of the buildings and there's an easter egg in one of the corners.
   
5. Watery Factory - Fly above and out of the bathtub to find a character from the developer's previous game: Kiwi 64.
   
6. Final Boss - Fly upwards out of the map to automatically defeat him!