Complete Round 1 (Normal or Hard difficulty)

Complete Round 2 (Normal or Hard difficulty)

Complete Round 3 (Normal or Hard difficulty)

Complete Round 4 (Normal or Hard difficulty)

Complete Round 5 (Normal or Hard difficulty)

Complete Round 6 and beat the game (Normal or Hard difficulty)

Complete the entire game with only Axel (Normal or Hard difficulty)

Complete the entire game with only Blaze (Normal or Hard difficulty)

Complete the entire game with only Skate (Normal or Hard difficulty)

Complete the game on Hard difficulty

Complete the game without using a continue (Normal or Hard difficulty)

Reach a score of 50,000

Reach a score of 100,000

Reach a score of 250,000

Reach a score of 450,000

Unlock level select in the options menu (just don't disable taking damage)

Beat Round 1 without dying (Normal or Hard difficulty, level select allowed)

Beat Round 2 without dying (Normal or Hard difficulty, level select allowed)

Beat Round 3 without dying (Normal or Hard difficulty, level select allowed)

Beat Round 4 without dying more than two times (Normal or Hard difficulty, level select allowed)

Beat Round 5 without dying more than two times (Normal or Hard difficulty, level select allowed)

Beat Round 6 without dying more than three times (Normal or Hard difficulty, level select allowed)