Plink
10
Kill 50 enemies with the Hazard pistol.
Migraine
20
Score 50 headshots.
Headache
10
Score 20 headshots.
Hands-On Approach
10
Defeat an enemy using melee combat.
Straight-A Student
10
Complete all of the in-game tutorials.
Secret Achievement
10
Continue playing to unlock this secret achievement.
Take 5.
5
Pause the game for the first time.
Secret Achievement
20
Continue playing to unlock this secret achievement.
It's HAZARD TIME!
15
Start your first game.
Head of the Class
30
Score 100 headshots.
Secret Achievement
20
Continue playing to unlock this secret achievement.
Uncovered
20
Destroy 20 destructible cover objects.
Better than One
25
Score two headshots with one bullet.
Eat FIST!
25
Perform 10 single-hit melee kills.
Russian Attack
10
Kill 50 enemies with the AK-47.
Feeling Punchy
30
Defeat five enemies in a row using melee combat.
Peekaboo...I Shot You!
10
Kill 50 enemies with the sniper rifle.
Auto Dealer
10
Kill 50 enemies with the sub-machinegun.
Secret Achievement
20
Continue playing to unlock this secret achievement.
...Where Credit is Due
60
Watch the credits from beginning to end.
Blind Luck
15
Kill 25 enemies using blind fire.
Secret Achievement
10
Continue playing to unlock this secret achievement.
No Pain, No Gain
10
Kill an enemy with an explosive that also damages you.
Secret Achievement
20
Continue playing to unlock this secret achievement.
Secret Achievement
10
Continue playing to unlock this secret achievement.
Secret Achievement
20
Continue playing to unlock this secret achievement.
Secret Achievement
40
Continue playing to unlock this secret achievement.
Secret Achievement
10
Continue playing to unlock this secret achievement.
Pull!
10
Kill 50 enemies with the shotgun.
Secret Achievement
30
Continue playing to unlock this secret achievement.
Secret Achievement
10
Continue playing to unlock this secret achievement.
Secret Achievement
10
Continue playing to unlock this secret achievement.
Boom.
20
Blow up 50 explosive objects.
Second Amendment
10
Kill at least one enemy with every available gun.
Secret Achievement
100
Continue playing to unlock this secret achievement.
Secret Achievement
50
Continue playing to unlock this secret achievement.
Secret Achievement
10
Continue playing to unlock this secret achievement.
Secret Achievement
30
Continue playing to unlock this secret achievement.
Hazard Avoider
10
Complete the game on the Minor Hazard difficulty setting.
Fire Hazard
20
Shoot and destroy 30 fire extinguishers.
Say "No" to Pots
5
Shoot 30 potted plants.
Secret Achievement
5
Continue playing to unlock this secret achievement.
Just a Flesh Wound
40
Complete a level without dying.
Maxx Karnage
20
Collect 20 Hazard pickups.
Secret Achievement
10
Continue playing to unlock this secret achievement.
Secret Achievement
10
Continue playing to unlock this secret achievement.
Pseudo-Hazard
20
Complete the game on the Major Hazard difficulty setting.
Shield Master
20
Collect 20 Master Shield pickups.
Secret Achievement
15
Continue playing to unlock this secret achievement.
Hazard Master
40
Complete the game on the Maximum Hazard difficulty setting.