Defeat a Helghast soldier by running them over.

Defeat 10 enemies with Frag Grenades.

Revive an incapacitated Buddy.

Defeat a Helghast soldier with a melee attack.

You Win, Everything.

Kill an unseen enemy detected by a specially modified soldier.

In a single game, complete every Research Project.

Beat the game on Impossible difficulty.

Shoot everything from the Wheel of Insanity (Balloons and the Cow)

Kill 4 enemies in the Tower Plaza with stealth kills

Slap Wolverine a bunch of times

You unlocked all trophies

You were offered a job by another team