Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Big Baz	Reach threat 40 with Big Baz.
Final Boss	Defeat the final boss.
Gary	Reach threat 40 with Gary.
Murphy	Reach threat 40 with Murphy.
Nitro	Reach threat 40 with Nitro.
Old Major	Reach threat 40 with Old Major.
Olive	Reach threat 40 with Olive.
Prismatrix	Reach threat 40 with Prismatrix.
Pyrek	Reach threat 40 with Pyrek.
Remington	Reach threat 40 with Remington.
Shrapnel	Reach threat 40 with Shrapnel.