Frontlines: Fuel of War Codes -

Cheat Codes
From the main menu, select Extras -> Bonus Content and enter the following codes:

sp-street - Unlock the urban combat singleplayer level
sp-village - Unlock the village singleplayer level

Achievements
Complete each achievement to get the allotted gamerscore:

Anvil (15) - Complete the third mission on normal difficulty or higher.
Anvil: Ironman (20) - Complete the third mission in a single session without dying.
Anvil: Stopwatch (25) - Complete the third mission in under 25 minutes.
Bull's-eye (90) - Complete the first or second half of a mission with an accuracy higher than 50%.
Bulletproof (90) - Kill 100 hostiles without dying in the first or second half of a single player mission.
Darkness Falls (15) - Complete the first mission on normal difficulty or higher.
Darkness Falls: Ironman (20) - Complete the first mission in a single session without dying.
Darkness Falls: Stopwatch (25) - Complete the first mission in under 15 minutes.
Captains of Industry (15) - Complete the second mission on normal difficulty or higher.
Captains of Industry: Ironman (20) - Complete the second mission in a single session without dying.
Captains of Industry: Stopwatch (25) - Complete the second mission in under 25 minutes.
Flawless (50) - Win a ranked match without dying.
Graveyard: Ironman (20) - Complete the fourth mission in a single session without dying.
Graveyard: Stopwatch (25) - Complete the fourth mission in under 50 minutes.
Graveyard (15) - Complete the fourth mission on normal difficulty or higher.
History Repeats (15) - Complete the final mission on normal difficulty or higher.
History Repeats: Ironman (20) - Complete the final mission in a single session without dying.
History Repeats: Stopwatch (25) - Complete the final mission in under 40 minutes.
Killing Spree (50) - Score 5 kills in a row without dying in multiplayer.
Living Quarter (15) - Complete the sixth mission on normal difficulty or higher.
Living Quarter: Ironman (20) - Complete the sixth mission in a single session without dying.
Living Quarter: Stopwatch (25) - Complete the sixth mission in under 25 minutes.
Marksman (75) - Finish a ranked match with an accuracy level higher than 40%.
Rampage (75) - Score 10 kills in a row without dying in multiplayer.
The Mountain King (15) - Complete the fifth mission on normal difficulty or higher.
The Mountain King: Ironman (20) - Complete the fifth mission in a single session without dying.
The Mountain King: Stopwatch (25) - Complete the fifth mission in under 30 minutes.
Top Scorer (50) - Be the player with the highest score on the winning team of a ranked match.