Here are the ten secret achievements you can unlock in Operation Flashpoint: Red River for the Xbox 360.
Check out my other guide if you’re looking for the full list of unlockable achievements in Operation Flashpoint: Red River.
Rule #1 (20) – Don’t get shot
Rule #2 (20) – Short, controlled bursts
Rule #3 (20) – You discovered what Knox’s Rule #3 is
Rule #4 (20) – Watch your bullet drop
Rule #5 (20) – Patch your wounds
Rule #6 (20) – Keep a full mag
Rule #7 (20) – If in doubt, fall back
Rule #8 (20) – Keep the enemy suppressed
Rule #9 (20) – Orders
Rule #10 (20) – Beware of confined spaces