Challenges list of TNBoa
3-2 Coin Cave
Frappe Snowland : Collect all coins in Time Trial mode, in 150cc class, without touching any Snow Cheep Cheep nor snowman, in less than 30s
Medium
1-3 Pipes in the town
SBOK6 Toad Beach : Go through 10 pipe pairs in Time Trial mode, without touching any bus, in less than 30s
Easy
Bonus Challenge: Wrong Way
Chain Chomp Park : Complete a lap backwards in Time Trial mode, in 150cc class, in less than 30s
Extreme
Osc-Omb: Boulder Soldier
Frostburn Volcano : Collect all coins in Time Trial mode, in 150cc class, in less than 30s, without falling, without touching any Boulder
Medium
Deep Fried Teruteru
Chiaki Is Dead Lol : Survive more than 30s by starting with 1 balloon, while constantly accelerating
Easy
Pro - Cheep Cheep Breakout
Chain Chomp Park : Reach the end of the river in Time Trial mode, in 150cc class, in less than 5s, without touching any Cheep-Cheep
Impossible
Purple Coin Omelet
Good Egg Galaxy : Collect all coins
Easy
Toadette Unlock
SBOK6 Toad Beach : Complete the track in less than 1:20 in Time Trial mode
Medium
1-2 Goomba Circuit
DS Figure 8 Circuit : Reach the glider in Time Trial mode, by driving backwards, without touching any Goomba, in less than 20s
Easy
Bye-Bye Ouchies
Chiaki Is Dead Lol : Reach space (the star thwomps) in less than 15s
Difficult
Ninji Silver
Ninji Speedrun - Mario Circuit : Complete the track in less than 1:25 in Time Trial mode, in 150cc class
Extreme
Ninji Bronze
Ninji Speedrun - Mario Circuit : Complete the track in less than 1:30 in Time Trial mode, in 150cc class
Difficult
2-1: Box Breaking
Cargo Crate : Destroy 9 boxes in Time Trial mode, in 150cc class, in less than 20s
Easy
200cc Staff Ghost
Chain Chomp Park : Complete the track in less than 55s in Time Trial mode, in 200cc class
Difficult
Bonus Challenge: Annual Tournament
Mushroom Village (DEMO) : Finish in the 1st position in VS mode, in 150cc class, with 30 participants, in less than 1:00, in impossible mode
Extreme
150cc Staff Ghost
Frostburn Volcano : Complete the track in less than 1:20 in Time Trial mode, in 150cc class
Medium
Nudge: Skill VS Luck
Frappe Snowland : Finish in the 1st position in VS mode, in 150cc class, with 2 participants, without using any item, in extreme mode
Extreme
Gundham Tanaka Stampede
Chiaki Is Dead Lol : Find and reach all 5 hampter in 150cc class, in less than 21s, with 1 participant
Extreme
Birdo Unlock
SBOK6 SBOK3 Yoshi Lake 1 : Complete the track in less than 2:00 in Time Trial mode
Medium
Birdo Unlock (DEMO)
Leaf Cup (DEMO) : Get the gold cup in Grand Prix mode
Easy