Ultimate Ninja
Complete Ultimate Ninja Mode
Return to the Nth Dimension
Clear one level in either mode
Like Fine Wine
Launch the 1992 original
Dimensional Ninja
Complete Redimensioned Mode
Get Down With the Sweetness
Take out The Hum-Bug
Play it Again, My Jimmie
Take out Jimmy Guitar
A World Without Potassium
Take out Bananaman Sam
License to Drill
Take out The G.D.K.
You've Got a Friend Indeed
Take out MAX-3 the Robot
Wanna Know How I Got This Far?
Take out The Gaffer
Stormy Weather
Take out the Kactus of Krool
Good News For Ninjas
Complete both Redimensioned and Ultimate Ninja Mode
Superhero Landing
Perform a Heavy Spin Attack
Break Stuff
Smash through a hidden wall
Ba-Dum Tssss
Hit a cymbal with a projectile that has bounced off a drum
Sing Us a Song...
Find the secret in Music World
Red Card
Hit three enemies with one sliding kick
Ninja of the Nth Collection
Collect all the big collectibles in Redimensioned Mode
Gone in 9.840 Seconds
Saved By the Bell
Use a strength tester to boost your jump
The Floor is Lava
Complete 1-4 without touching the treacle
I Got a Brand New Combine Harvester
Pull a radish and slice a carrot in the same level
Silent Assassin
Defeat the boss of any world without killing any other beasties
Drop and Give Me Twenty
Do a push-up
It's Been 29 Years...
Find the one collectible
Collection Perfection
Collect all the big collectibles in Ultimate Ninja Mode
Never Tell Me the Odds
Successfully complete a secret level
It's a Secret to Everybody
Find a secret level