Regain Health:
To regain your kongs health, just jump in a tag barrel and choose the same kong you had and, voila! Back to full health. (Works for any kong.)

Get the Camera:
Play as Tiny. Shrink to enter the building shaped like a fairy in the main hub. Inside, you'll find the camera.

Replay Your Favorite Bonus Levels:
Once you collect your 40th blueprint, go to Snides HQ in DK Isles. Apart from delaying K. Rool's Blast-O-Matic he'll unlock a bonus level menu, so you can play all the bonus levels you encountered throughout the game over and over and over..!

Banana Fairy Bonuses:

Take pictures of the Banana Fairies with the camera to enable different game options -

• 2 Fairies - Unlocks DK Theater in Mystery Menu.
  
  
• 6 Fairies - Unlock DK Bonus. Find Rambi and Enguarde to unlock their bonus stages.
  
  
• 10 Fairies - Unlock Boss Battle in Mystery Menu.
  
  
• 15 Fairies - Unlock Krusha in multi-player.
  
  
• 20 Fairies - Unlock Cheat Mode in Mystery Menu. This will give you infinite items.

201 Bananas:
To retrieve the 201st golden banana. Simply (yeah right) find and photograph all 25 fairies. Bring them to the head fairy and she will lead you to the 201st banana. GOOD LUCK!!!!!!

Extended Ending:
Beat the game with 101% to get an extended ending.

Thanks to Revolution readers Caterpie99, Dustin, David Ng, Jose Manuel Martinez Landron, SPHEN, dan, nunyabussiness, lester, and Monkeyboy!