Get 10 one-hit head-shot kills with the shotgun in the single player Campaign.

Defeat the Kraken in the single player Campaign.

Kill 40 hybrids in the single player Campaign.

The player has successfully invented at least one item

The player has defeated Peach Wilkins

The player has taken a Research Photo of the highest grade

Dismember 20 Limbs

The player has defeated the crazed Dr. Steinman

The player has successfully hacked a vending machine

The player has performed at least one successful hack

The player has shocked an enemy in the water