| Achievement | How to unlock
|
|---|
| Bloody Carnage | Complete the story on "Normal" difficulty.
|
| Boner | Kill 1000 Skeleton Army.
|
| Bored? | Played all modes.
|
| Bring The Peace | Shoot 250000 bullets.
|
| Carnage | Complete the story on "Easy" difficulty.
|
| Dead No Longer Walking | Kill 1000 Zombies.
|
| Dino Crisis | Complete Mesozoic Era on story.
|
| Do Not Compute | Kill 1000 Robots.
|
| Frozen | Complete 4th Century BC on story.
|
| Greedy | Unlock all the weapons.
|
| Headmaster | Get 500 Headshots.
|
| I'm Not That Bad | Achieve Bronze in all challenges.
|
| I'm Pretty Good | Achieve Silver in all challenges.
|
| I'm the Dogs B | Achieve Gold in all challenges.
|
| Mexican Wave | Survive 25 waves in Arcade.
|
| Mr Robot | Complete 6th Millennium on story.
|
| Perky | Unlock all the perks.
|
| SSTORM | Complete the story on "Hard" difficulty.
|
| Shoot Her | Kill 1000 Dinosaurs.
|
| Slippery Devil | Take no damage for an entire level in the story mode.
|
| Zombie Nation | Complete 4th Millennium on story.
|