Level skip 
Enter the map screen while playing a game, then hold L + R and press 
Up, Up, Left, Down, X.

Level select 
Enter the map screen while playing a game, then hold L + R and press 
Up, Down, Right, Left, Up, X.

Infinite lives 
Enter the map screen while playing a game, then hold L + R and press 
Down, Left, B, Left, B, B.

Infinite health 
Enter the map screen while playing a game, then hold L + R and press 
Down, B, B, A, Up, Left, Right.

Infinite checkpoints 
Enter the map screen while playing a game, then hold L + R and press 
Up, Right, Down, Right, Left, A.

Infinite gloves 
Enter the map screen while playing a game, then hold L + R and press 
Down, Right, Up, Right, Left, B.

Extra life 
Enter the map screen while playing a game, then hold L + R and press 
Down, A, Up, Left, A.

Extra checkpoint 
Enter the map screen while playing a game, then hold L + R and press 
Up, Right, Down, Left, A.

Extra glove 
Enter the map screen while playing a game, then hold L + R and press 
Down, Right, Left, Down, A.