Battlefield 2: Modern Combat (PS2)

Unlock All Weapons
If you're tired of earning gear the old fashioned way, input this code anytime while playing to unlock all weapons: hold L2 + R2 and input RIGHT, RIGHT, DOWN, UP, LEFT, LEFT. And wait for it - BLAMMO! - heaps o' hardware.

Brigadier General
You must win 12 Medals, 19390 Points, 85 PPH, and then you unlock the Brigadier General.

Captain
You must win 8 Medals, 8430 Points, and 65 PPH.

Chief Warrant Officer
You must win 5 Medals, 3700 Points, 50 PPH.

Colonel Rank
Collect 11 Medals, 16070 Points, 80 PPH.