Score 50,000 points on Round 1-1
Obtain both hidden 1-ups in Round 1-4
Complete Round 1 with at least 25 smiley faces
Reach the end of the fruit bonus stage without eating any fruit or vegetables
Eat all the fruit, but no vegetables in the fruit bonus game
Play all four secret bonus games in Round 2
Collect the hidden treetop 1-up in Round 2-7
Complete Round 2 with at least 115 smiley faces
Defeat Gladdis without destroying her tail or dying
Play all four secret bonus games in Round 3
Defeat Kong Zilla in less than 30 seconds
Complete Round 3 with at least 30 smiley faces
Complete Round 4 with at least 30 smiley faces
Find a convenient shortcut in Round 5-3
Have a snack during the boss rush
Complete the boss rush without dying
Complete the game without eating any vegetables
Complete the game without continuing
Score 200,000 points
Complete Round 1 without eating any fruit or vegetables
Eat 135 fruits and vegetables in Round 3
Eat 225 fruits and vegetables in Round 5
Reveal the hidden tulip in Round 1-1
Stay airborne for 30 seconds in a horizontal stage
Eat 10 pieces of meat in Round 2
Complete Round 4 without eating anything
Reveal the hidden tulip in Round 2-2
Reveal the hidden tulip in Round 5-2
Reveal the hidden tulip in Round 2-6
Reveal the hidden tulip in Round 3-5
Defeat T-Ractorhead
Fill up on meat and transfer into Bonk's strongest form
Obtain a fourth heart container
Obtain a fifth heart container
Obtain ten lives
Score 100,000 points
Eat every fruit and vegetable in the fruit and vegetable eating bonus game
Headbutt 60 hot rocks in volcano bonus game
Earn 2,300 points or more in wall climbing bonus game
Spin 130 or more times during the spinning bonus game
Defeat Huey
Beat Huey with a continuous aerial bonking attack
Defeat Gladdis
Take the shortcut in Round 3-2
Defeat Kongo Zilla
Defeat Punchy Pedro
Beat Punchy Pedro with a continuous aerial bonking attack
Defeat the Evil King Drool and save Princess Za