Darkwolf

Self Inflicted Wound

Just What The Hell Is Going On Here?

Read a lot of documents.

Gold Star

Beat the game.

Bug Spray

You Little Monster

Defeated the final boss.

Fully Loaded

All weapons & upgrades.

Hard Mode

Beat the game on hard mode.

Impervious

No damage taken.

Can't Swing A Dead Cat Without Hitting Another Dead Cat

Undead Friend

No zombies were harmed in the making of this achievement.

Overtime

No Animals Were Harmed in the Making of This Achievement

The Easy Way Out

That's... not okay

Become the master of unlocking.

S-Rank Champagne Party!

Achieved S-Rank when completing the game.

Thanks But No Tanks