- Challenge mini-games
Successfully complete the indicated level to unlock the corresponding mini-game at the Challenge menu:

Booster Battle mini-game	Successfully complete Level 5-1, 'Space A-Go-Go'.
Rolling Panic mini-game	Successfully complete Level 1-1, 'Cranky's Teachin's'.
Speed Climb mini-game	Successfully complete Level 1-1, 'Cranky's Teachin's'.
Banana Grab mini-game	Successfully complete Level 1-1, 'Cranky's Teachin's'.
Throw 'n' Crush mini-game	Successfully complete Level 2-3, 'Road To Ruins',

- Programmer high scores
Get a 'Triple-A' rank in all in-game survival challenges to view the staff high scores.

- Bonus levels
Acquire all Oil Barrels in the indicated level. Then, press X to have Funky fly you to the corresponding bonus level:

Little Ghost Island	The five Oil Barrels on Ghost Island
Little High High Island	Both Oil Barrels in Little High High Island
Little Lost Island	The five Oil Barrels on Lost Island
Little Chill 'n' Char Island	The five Oil Barrels in Chill 'n' Char Island
Little Sun Sun Island	The four Oil Barrels on Sun Sun Island

- Bonus stages
Successfully complete the main storyline with the indicated number of Banana Coins to unlock the corresponding bonus stage in the 'Extra' menu:

Stage 1	10 Banana Coins
Stage 4	40 Banana Coins
Stage 2	20 Banana Coins
Stage 7	70 Banana Coins
Stage 8	80 Banana Coins
Stage 3	30 Banana Coins
Stage 9	90 Banana Coins
Stage 10	100 Banana Coins
Stage 5	50 Banana Coins
Stage 6	60 Banana Coins
Stage 11	All 105 Banana Coins

- Challenge mini-game bonus levels
Successfully complete the indicated levels in the listed Challenge mini-game to unlock the corresponding bonus level:


- Activate Cheats
Acquire the indicated number DK Coins to unlock the corresponding option at the 'Cheat' menu:

Make Diddy's hammer swing faster	10 DK Coins
Be victorious ing Power-up Cheat	15 DK Coins
Torch Power-up Cheat	20 DK Coins
Choose between 5 or 20 lives after game over	5 DK Coins
Crystal Stars Cheat	25 DK Coins

- Easy Gems
Push Left and Right when climbing a tree to shake it and reveal Gems that can be collected.