Ben 10: Omniverse Cheats - Xbox 360

Cheat Mode
Enter the following codes at the "Extras"->"Promotions" menu:

Gravattack - Feedback-Fourarms-Diamondhead-Bloxx.
Wildvine - Gravattack-Eye Guy-Arctiguana-Wildmutt.
XLR8 - Shocksquatch-Gravattack-Arctiguana-Diamondhead.

Achievements
Complete each achievement to get the allotted gamerscore:

...This Is Now (10) - Set off the explosives in the present.
15-Hitter (10) - Performed a 15-hit combo.
25-Hitter (15) - Performed a 25-hit combo.
35-Hitter (20) - Performed a 35-hit combo.
Battle Bloxx (15) - Defeated 50 enemies as Bloxx.
Branching Out (15) - Defeated 50 enemies as Wildvine.
Building Bloxx (15) - Unlocked Bloxx.
Heated Exchange (10) - Defeated 50 enemies as Heatblast.
Heavy Duty (15) - Unlocked Gravattack
Human Power (10) - Defeated 20 enemies as Young Ben or Teen Ben (not in alien form).
It's Hero Time (50) - Completed the entire game on Hero difficulty.
Just Chillin' (10) - Defeated 50 enemies as Arctiguana.
Look, Grandpa--No Aliens! (30) - Defeated 50 enemies as Young Ben or Teen Ben (not in alien form).
Mass Destruction (45) - Destroyed 150 crates in the game.
Muttin' To It (15) - Unlocked Wildmutt.
Not A Scratch (25) - Completed an entire level without being defeated and reset.
Omni What? (20) - Defeated 30 enemies as Young Ben or Teen Ben (not in alien form).
Omnitrix To The Max (100) - Fully upgraded all of Ben's alien forms.
Open Season (40) - Opened 75 Tech Repositories over the course of the game.
Past Due (10) - Defeated the Queen Ant and rescued Grandpa Max.
Plumb Crazy (10) - Lured Malware into the Plumber Training Room.
Plumber Power (60) - Fully upgraded all of Rook's Proto-Tool functions.
Shockingly Effective (10) - Defeated 50 enemies as Shocksquatch.
Cannon Fodder (15) - Defeated 50 enemies as Cannonbolt.
Codon Collector (70) - Collected all Codon Crystal power-ups.
Constructive Feedback (15) - Unlocked Feedback.
Diamond In The Rough (10) - Defeated 50 enemies as Diamondhead.
Extreme Earth Makeover (10) - Discovered the morphic generator.
Feedback Frenzy (20) - Defeated 50 enemies as Feedback.
Focused Destruction (30) - Destroyed 8 crates in a single attack.
Four Times The Fun (10) - Defeated 50 enemies as Four Arms.
Future Malformed (10) - Defeated Mucillator.
Goin' Mutts (10) - Defeated 50 enemies as Wild Mutt.
Gravattacktics (10) - Defeated 50 enemies as Gravattack.
Have A Ball (15) - Unlocked Cannonbolt.
Smoothie Operator (70) - Collected all Smoothie power-ups.
Super Cool (15) - Unlocked Arctiguana.
Technical Difficulties (10) - Took out Psyphon and rescued Blukic and Driba.
That Was Then... (10) - Planted the explosives in the past.
The Eyes Have It (10) - Defeated 50 enemies as Eye Guy.
The Galvanic Butterfly Effect (10) - Escaped from Malware... for now.
Think Fast (20) - Defeated 50 enemies as XLR8.
Training Time (10) - Completed the training simulation... and wrecked the timeline.
Two Malwares... No Waiting (20) - Defeated both Malwares and fixed the timeline.
Up In The Air (30) - Defeated 30 enemies while they were in the air.
Weird Scientist (10) - Stole Animo's tech and lured Malware to the cavern.