- Complete: Nurse's Office
Complete Mission on any difficulty: Nurse's Office
21 February 2009 - 2 guides
- Stick Around
Pin 10 enemies to the wall with the Hammerhead.
21 February 2009 - 1 guide
- Complete: Elementary
Complete Mission on any difficulty: Elementary
21 February 2009 - 2 guides
- Complete: Top
Complete Mission on any difficulty: Top
21 February 2009 - 2 guides
- Dead Eye
Headshot 10 enemies with the Sniper Rifle.
21 February 2009 - 1 guide
- Complete: Ruin
Complete Mission on any difficulty: Ruin
21 February 2009 - 2 guides
- Historian
Collect 50% of the journal intelligence found throughout the game.
21 February 2009 - 1 guide
- Complete: Replica
Complete Mission on any difficulty: Replica
21 February 2009 - 3 guides
- Complete: Withdrawal
Complete Mission on any difficulty: Withdrawal
19 February 2009 - 2 guides
- Raining Men
Kill 4 enemies with one Grenade.
19 February 2009 - 6 guides
- Complete: Discovery
Complete Mission on any difficulty: Discovery
19 February 2009 - 2 guides
- Kiss the Cook
Roast 10 enemies with the Napalm Cannon.
19 February 2009 - 2 guides
- Bank Shot
Kill 10 enemies using combat opportunities.
19 February 2009 - 3 guides
- Complete: Awakening
Complete Mission on any difficulty: Awakening
19 February 2009 - 2 guides
- Paparazzi
Collect 25% of the journal intelligence found throughout the game.
19 February 2009 - 1 guide
- Deadly Ballet
Kill 4 enemies with one Slow-mo use.
19 February 2009 - 4 guides
- Home Wrecker
Use 50 pieces of interactable cover.
19 February 2009 - 4 guides
- Suicidal Tendencies
Kill yourself 5 times.
19 February 2009 - 5 guides
- City Planner
Destroy 100 combat ops while piloting a Powered Armor unit during ranked play.
19 February 2009 - 2 guides
- Complete: Sanctuary
Complete Mission on any difficulty: Sanctuary
19 February 2009 - 2 guides
- Snake Fist!
Kill 10 enemies with Melee
19 February 2009 - 2 guides
- MVP
In a ranked Blitz match that your team wins, be the only player on your team to capture a PHLAG.
18 February 2009 - 1 guide
- The Mad Capper
Capture a PHLAG 10 times during a ranked match.
18 February 2009 - 1 guide
- Demolitions Expert
Set the C4 charge 3 times in a ranked FailSafe match.
18 February 2009 - 1 guide
- Dastardly Disarmer
Disarm a C4 charge 3 times in a ranked FailSafe match.
18 February 2009 - 1 guide
- Control Freak
Defend a control point 10 times during a ranked Control match.
18 February 2009 - 1 guide
- Enlisted
Promoted to rank: Private
18 February 2009 - 1 guide
- Gotta Cap 'Em All
Capture a control point 10 times during a ranked Control match.
18 February 2009 - 1 guide
- Bad Robot
Destroy 2 enemy Powered Armor units in the same ranked round with a carried weapon.
18 February 2009 - 2 guides
- Finishing First
Be the highest scoring player for 3 consecutive ranked matches in any game mode.
18 February 2009 - 1 guide
- I'll Take Those Odds
Have more kills than deaths at the end of any ranked match.
18 February 2009 - 1 guide
- Untouchable
Survive an entire ranked deathmatch match.
18 February 2009 - 2 guides
- Bloodbath
Get 20 kills during a ranked match.
18 February 2009 - 2 guides
- Monogamous Fragger
Kill the same player 5 times during any ranked match.
18 February 2009 - 1 guide
- Flash Dance
Kill 3 players while blinded from a shock grenade during any ranked match.
18 February 2009 - 3 guides
- Officer and Gentleman
Promoted to rank: Second Lieutenant
Locked - 1 guide
- Four Star General
Promoted to rank: Four Star General
Locked - 4 guides
- Five Star General
All multiplayer achievements unlocked.
Locked - 1 guide
- Time well spent
Play 8 hours worth of ranked multiplayer.
Locked - 2 guides