Ben 10: Omniverse (Nintendo 3DS)

CheatingDome.com

All Aliens

Go to the settings menu, then cheats and enter Primus.

Powers

Kinet, vulpin, pattersonea, petropia, arburia, khoros, sightra: some don't last forever but they are helpful.

Various Passwords

At the main menu go to the gear in the lower right hand corner and enter the following for the following.

EffectPassword
Adrenaline Harvester Fully ResearchedKinet
All Character Bios UnlockedSightra
All Combo UpgradesKhoros
All Emergency Shields ResearchedArburia
All Health UpgradesPetropia
All Omnitrix Optimizations ResearchedRevonnah
All Story Levels UnlockedXnelli
Analog Omnitrix Charger Fully ResearchedTeslavorr
DNA Virus Vaccine Fully ResearchedPeptosxi
Unlock All AliensPrimus