Complete the following achievements to unlock Xbox Live Gamerscore points.
| Unlockable: | How to Unlock: |
| ...And Justice For All (50 GP) | Verify all high value targets. |
| Armaggedon It (20 GP) | Destroy 20 buildings. |
| Balls to the Wall (20 GP) | Beat the Winching Challenge three times. |
| Be Quick or Be Dead (10 GP) | Snipe 50 enemy vehicle drivers. |
| Billion Dollar Babies (25 GP) | Earn $1 billion. |
| Damage, Inc. (50 GP) | Use 20 airstrikes in co-op. |
| Digital Man (20 GP) | Unlock all shop items. |
| Eat the Heat (10 GP) | Try accelerating and braking at the same time. |
| Everybody Wants Some!! (50 GP) | Play with a <i>Mercenaries 2</i> developer or a player who already has this achievement. |
| Gone Shootin' (20 GP) | Complete one of Fiona's challenges. |
| Hail and Kill (20 GP) | Destroy 50 objects using melee. |
| Heavy Metal Thunder (10 GP) | Successfully complete 10 action hijacks. |
| Highway to Hell (10 GP) | Complete three different races. |
| Holy Smoke (20 GP) | Destroy 50 objects with a grenade. |
| Little Savage (20 GP) | Destroy 50 objects with an RPG launcher. |
| No More Mr. Nice Guy (10 GP) | Make all factions hostile. |
| Nothin' But a Good Time (50 GP) | Destroy 200 objects from the gunner seat in co-op. |
| Partners in Crime (50 GP) | Play co-op with a friend. |
| Pipeline (20 GP) | Capture all outposts for a single faction. |
| Shoot to Thrill (20 GP) | Get 25 headshots. |
| Tattooed Millionaire (25 GP) | Earn $1 million. |
| We'll Burn the Sky (50 GP) | Unlock all landing zones. |
| Wheels of Steel (50 GP) | Come in first during a co-op race. |
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