Soldier of Fortune: Payback Codes -

Cheat Mode
From main menu select single player, select "Start new game" then enter the following codes:

, , , , , , - Unlock ACR-2 sniper rifle.

Achievements
Complete each of the following achievements below to get the allotted gamerscore:

Aim In Vein (20) - Achieve a 25% vital zone hit ratio in a multiplayer match.
Assassination King (20) - Achieve 15 kills with a sniper rifle in a single Ranked Match - Deathmatch.
Bullets Everywhere... (20) - Kill 10 opponents with a machine gun during a single Ranked Match - Team Elimination.
Butcher (20) - Accumulate 100 kills with the knife over Xbox LIVE in any mode.
Cash And Prizes (20) - Kill 75 enemies by shooting them in the groin in any multiplayer mode.
Complete Al Qa'im (20) - Complete the Al Qa'im level on the hardest difficulty setting.
Complete Donetsk (20) - Complete the Donetsk levels on the hardest difficulty setting.
Complete Eshkashem (20) - Complete the Eshkashem levels on the hardest difficulty setting.
Complete Llebo (20) - Complete the Llebo levels on the hardest difficulty setting.
Complete Mogaung (20) - Complete the Mogaung levels on the hardest difficulty setting.
Daddy Longlegs (50) - Accumulate 250 dismemberments in any multiplayer mode.
Do It From Behind (20) - Kill 50 opponents in Ranked Matches with a knife attack from behind.
Every Bullet Counts (20) - Finish a multiplayer match with 100% accuracy (Minimum of 10 kills).
Flag Frag (20) - Kill 30 enemy flag carriers in Capture The Flag.
Gung-ho (0) - Have a 1 to 5 or worse Kill to Death ratio in a multiplayer match.
Head Of The Class (20) - Accumulate 100 headshots over Xbox LIVE in any mode.
Hostest With The Mostest (10) - Host and complete 100 multiplayer matches.
How Embarrassing (20) - Kill 4 members of the opposing team while carrying their flag.
I Got Shotgun... (20) - Get 20 kills with a shotgun in a single Ranked Match - Capture The Flag.
It's Not The Size... (20) - Achieve 50 kills using pistols in any multiplayer mode.
Mission Accomplished (50) - Complete the game on any difficulty setting.
More Ammo For Me! (10) - Perform 300 reloads in any multiplayer mode.
Nades For Everyone (20) - Get a triple kill with an explosive during a single Ranked Match - Team Deathmatch.
No Mercy (30) - Kill 1000 enemies throughout the campaign.
Not Enough Milk (30) - Perform 500 dismemberments throughout the campaign.
One Shot Is All I Need! (20) - Achieve 5 headshots in a row without dying using a sniper rifle in a multiplayer match.
Quicker Than Diet And Exercise (20) - Perform a dismemberment at every point on the enemies' bodies.
Snake In The Grass (10) - Kill 10 enemies while crouching in any multiplayer mode.
Sneaky, Sneaky... (10) - Accumulate 30 kills with a silencer over Xbox LIVE.
Soldier Of Fortune (100) - Complete the game on the hardest difficulty setting.
Speed Kills (20) - Kill 5 enemies in 5 seconds in any game mode.
Spray And Pray (20) - Achieve 5 kills in a row without dying with an SMG in a single Ranked Match - Elimination.
Stop Hittin' Yourself! (0) - Accumulate 50 suicides over Xbox LIVE in any mode.
The Black Knight (20) - Shoot off all 4 limbs on any combination of players over the course of a multiplayer match.
The Impossible Shot (20) - Achieve 10 kills from a distance greater than 100 feet without a scope in any multiplayer mode.
The Real Deal (110) - Complete the game without dying on Normal or Hard difficulty.v There Is No Blue Wire! (20) - Disarm 15 bombs in Demolition mode.
This Is My Rifle... (20) - Kill the bomb carrier with an assault rifle 5 times in a single Ranked Match - Demolition.
Where's The Competition? (20) - Have a 5 to 1 or better Kill to Death ratio in a multiplayer match (minimum of 20 kills).
You're The Best... Around (10) - Be the most skillful player in a Ranked Match.