Acquitted achievements

Defeat 50 braindead while the energy drink is still in effect.

Defeat 10 Ma'am tanks.

Defeat your first Ma'am tank.

Defeat a landwhale.

Remove a tank corpse from the map.

Miss a weapon drop (they spawn again, don't worry).

Drink 100 energy drinks (don't actually do it).

Pick up 100 armored vests.

Pick up 100 health packs.

Achieve a 10 headshot spree.

Achieve a 5 headshot spree.

Beat level 100.