Ben's Omnitrix has been sent to Nightmare Mode again! Ben must find Alien DNA, and fight The Nightmare Squad in the mean time.

Playable Aliens

  • Swampfire
  • Brainstorm
  • Chromastone
  • Jetray
  • Spidermonkey
  • Humongosaur

Unlockable Alien's

  • Nightmare Spidermonkey
  • Nightmare Swampfire
  • Nightmare Brainstorm
  • Nightmare Jetray
  • Nightmare Humongosaur


  • Plantman
  • Shape Shifter
  • Ghostfreak
  • Nightmare

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