- Play as Upchuck
At the level selection screen, press A, Left, Y, Right, X, Up, B, Down, Select to unlock Upchuck; just select his silhouette on the Omnitrix. If you entered the code correctly, you will hear a sound.

- Master Control
Successfully complete the game. Begin a new session, and collect all 30 Sumo Slammer cards. Enter any level on the 'Insane' difficulty. The Master Control will be activated, with unlimited Omnitrix battery, and the ability switch between aliens without reverting back to human form.

- Galactic Enforcer color set
At the level selection screen, press Up, Right, Down, Left, A, B, Select. If you entered the code correctly, you will hear a sound. Select any level, and you will be in the 'Galactic Enforcer' color set. Both Ben and all his alien forms will be black and white and official 'Galactic Enforcers'.

- Omnitrix aliens
Successfully complete the indicated level below to unlock the corresponding Omnitrix alien:

Cannonbolt	Successfully complete Hoover Dam.
Wildvine	Successfully complete Seattle Space Needle.
XLR8	Successfully complete Grand Canyon.

- Gold suit
At the level selection screen, press A, B, X, Y, L, R, Select to wear a gold suit in all levels. If you entered the code correctly, you will hear a sound.