Not Bad for A Human
50 
Get all the Aliens vs Predator achievements
Game Over, Man!
30 
Complete all three Campaigns
Club hopper
15 
Survive The 'Party' at The Club
Exit Strategy
15 
Escape from C-Block
You Have My Sympathies
15 
Help Van Zandt
Regicide
15 
Defeat the Matriarch
I Will Never Leave You...
15 
Locate Tequila
...That's A Promise
15 
Get Tequila to surgery
One Big Bug
15 
Defeat the Praetorian
Get to The Chopper!
30 
Recover Weyland's datapad
Come to Mama
15 
Liberate the Matriarch
Breaking Quarantine
15 
Escape from the Research Lab
Grunt Hunt
15 
Wipe out all of the Marines in the Colony
Under Pressure
15 
Solve the riddle of the Ruins
Grim Reaper
15 
Harvest all available civilians in the Alien Campaign
Alien vs Predator
30 
Create a new species
It Uses The Jungle
15 
Find a way through Gateway
Fallen Comrade
15 
Find the Youngbloods in the Jungle
Matter of Honor
15 
Discover the Elite Predator's fate
Eyes of The Demon
15 
Retrieve the ancient mask
World of Hurt
15 
Survive trial by combat
Breaking and Entering
15 
Find a way into the Research Lab
Reclaimer
15 
Retrieve the second artifact
Extinction Agenda
30 
Destroy the Abomination
Stay Frosty
15 
Complete Marine Campaign on Hard difficulty setting
I Admire its Purity
15 
Complete Alien Campaign on Hard difficulty setting
It Ain't No Man
15 
Complete Predator Campaign on Hard difficulty setting
I LOVE the Corps!
30 
Complete Marine Campaign on Nightmare difficulty setting
Magnificent, Isn't It?
30 
Complete Alien Campaign on Nightmare difficulty setting
One Ugly Mother
30 
Complete Predator Campaign on Nightmare difficulty setting
Harsh Language
15 
Discover all 67 Audio Diaries
Quite A Specimen
15 
Destroy all 50 Royal Jelly Containers
Fortune and Glory
15 
Find all 45 Predator trophy belts
Scatter Shot
15 
As a team, kill 20 enemies in under 60 seconds in a Survivor match.
I Like to Keep This Handy
15 
Kill 2 enemies with one shot with the shotgun
Spin Doctor
15 
Kill two enemies with one throw of the Battle Disc
Let's Rock!
15 
Kill 5 enemies with one burst from the smartgun
Elite Sniper
15 
Kill 10 enemies with head shots from the scoped rifle
Stick Around
15 
Kill 20 enemies with the Combi Stick
Gunslinger
30 
Kill 30 enemies with the pistol
Welcome to The War
15 
Play and complete your first Ranked Match in standard Deathmatch mode
Killer Instinct
15 
Win your first Ranked Match in standard Deathmatch mode
Serial Killer
30 
Win 10 Ranked Matches in any Deathmatch mode
Very Tough Hombre
15 
Kill 10 enemies in a row without dying in a Ranked Match
Persecution Complex
15 
Achieve Persecutor status more than once in any Ranked Match
The Six Pack
30 
Play with six friends in a Ranked Match
Ain't Got Time to Bleed
15 
Heal or regenerate 30 blocks of health in Survivor
The Uninfected
30 
Finish a Ranked Infestation match as the only remaining prey
Welcome to The Party
30 
Get 6000 XP in Ranked Matches
Real Nasty Habit
50 
Get 18060 XP in Ranked Matches