From the Extras menu, select Promotions and then select the alien images outlined below to fully upgrade XLR8, Gavattack and Wildvine.
Complete the following achievements to unlock Xbox Live Gamerscore points.
Achievement | How to unlock
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| - Performed a 15-hit combo.
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| - Performed a 25-hit combo.
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| - Performed a 35-hit combo.
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| - Defeated 50 enemies as Bloxx.
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- Branching Out (15 points)
| - Defeated 50 enemies as Wildvine.
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- Cannon Fodder (15 points)
| - Defeated 50 enemies as Cannonbolt.
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- Codon Collector (70 points)
| - Collected all Codon Crystal power-ups.
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- Diamond In The Rough (10 points)
| - Defeated 50 enemies as Diamondhead.
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- Feedback Frenzy (20 points)
| - Defeated 50 enemies as Feedback.
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- Focused Destruction (30 points)
| - Destroyed 8 crates in a single attack.
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- Four Times The Fun (10 points)
| - Defeated 50 enemies as Four Arms.
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| - Defeated 50 enemies as Wild Mutt.
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- Gravattacktics (10 points)
| - Defeated 50 enemies as Gravattack.
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- Heated Exchange (10 points)
| - Defeated 50 enemies as Heatblast.
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| - Defeated 20 enemies as Young Ben or Teen Ben (not in alien form).
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- It's Hero Time (50 points)
| - Completed the entire game on Hero difficulty.
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- Just Chillin' (10 points)
| - Defeated 50 enemies as Arctiguana.
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- Look, Grandpa--No Aliens! (30 points)
| - Defeated 50 enemies as Young Ben or Teen Ben (not in alien form).
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- Mass Destruction (45 points)
| - Destroyed 150 crates in the game.
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- Not A Scratch (25 points)
| - Completed an entire level without being defeated and reset.
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| - Defeated 30 enemies as Young Ben or Teen Ben (not in alien form).
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- Omnitrix To The Max (100 points)
| - Fully upgraded all of Ben's alien forms.
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| - Opened 75 Tech Repositories over the course of the game.
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- Plumber Power (60 points)
| - Fully upgraded all of Rook's Proto-Tool functions.
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- Shockingly Effective (10 points)
| - Defeated 50 enemies as Shocksquatch.
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- Smoothie Operator (70 points)
| - Collected all Smoothie power-ups.
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- The Eyes Have It (10 points)
| - Defeated 50 enemies as Eye Guy.
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| - Defeated 50 enemies as XLR8.
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- Up In The Air (30 points)
| - Defeated 30 enemies while they were in the air.
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