PERIMETER CLEARED
COMPLETE THE PERIMETER AREA
FACILITY CLEARED
COMPLETE THE FACILITY AREA
DUNES CLEARED
COMPLETE THE DUNES AREA
NEST CLEARED
COMPLETE THE NEST AREA
FOREST CLEARED
COMPLETE THE FOREST AREA
LAB CLEARED
COMPLETE THE LAB AREA
100 KILLS
KILL 100 ENEMIES IN A SINGLE GAME
500 KILLS
KILL 500 ENEMIES IN A SINGLE GAME
1000 KILLS
KILL 1000 ENEMIES IN A SINGLE GAME
100 DOG TAGS
AMASS 100 DOG TAGS IN A SINGLE GAME
200 DOG TAGS
AMASS 200 DOG TAGS IN A SINGLE GAME
NO-ONE LEFT BEHIND
RESCUE ALL HOSTAGES IN A SINGLE GAME
PERIMETER S RANK
ACHIEVE AN S RANK ON THE PERIMETER AREA
FACILITY S RANK
ACHIEVE AN S RANK ON THE FACILITY AREA
DUNES S RANK
ACHIEVE AN S RANK IN THE DUNES
NEST S RANK
ACHIEVE AN S RANK IN THE NEST
FOREST S RANK
ACHIEVE AN S RANK IN THE FOREST
LAB S RANK
ACHIEVE AN S RANK IN THE LAB
HQ S RANK
ACHIEVE AN S RANK IN THE HQ
CAKEWALK
COMPLETE THE GAME ON 'EASY'
HARD CORPS
COMPLETE THE GAME ON 'HARD'
HAPPY ENDING
COMPLETE THE GAME AND RECEIVE THE GOOD ENDING
XENOCIDE
KILL 5 ENEMIES OR MORE WITH A SINGLE EXPLOSION
MAXED OUT
MAX OUT ALL OF YOUR STATS
TOO CLOSE FOR COMFORT
KILL 100 ENEMIES WITH YOUR MELEE ATTACK IN A SINGLE GAME
STAY ON YOUR FEET
COMPLETE AN AREA WITHOUT ROLLING
WANDERER
VISIT EVERY ROOM IN THE GAME
HEAD RUSH
COMPLETE BOSS RUSH MODE
TWO'S COMPANY
COMPLETE THE GAME WITH TWO PLAYERS
AD INFINITUM
KILL 2500 ENEMIES WHEN PLAYING INFINITE MODE
BOSSING IT
DEFEAT ANY BOSS WITHOUT TAKING A HIT
MILLIONAIRE
SCORE A MILLION POINTS OR MORE