Complete missions 1-5 on Easy difficulty
Complete missions 6-10 on Easy difficulty
Complete missions 11-15 on Easy difficulty
Complete missions 16-20 on Easy difficulty
Complete missions 21-25 on Easy difficulty
Complete missions 01-05 on Normal difficulty
Complete missions 06-10 on Normal difficulty
Complete missions 11-15 on Normal difficulty
Complete missions 16-20 on Normal difficulty
Complete missions 21-25 on Normal difficulty
Complete missions 01-05 on Hard difficulty
Complete missions 06-10 on Hard difficulty
Complete missions 11-15 on Hard difficulty
Complete missions 16-20 on Hard difficulty
Complete missions 21-25 on Hard difficulty
Complete missions 01-05 on Chaos difficulty
Complete missions 06-10 on Chaos difficulty
Complete missions 11-15 on Chaos difficulty
Complete missions 16-20 on Chaos difficulty
Complete missions 21-25 on Chaos difficulty
Complete Mission 1 on Inferno difficulty
Complete Mission 2 on Inferno difficulty
Complete Mission 3 on Inferno difficulty
Complete Mission 4 on Inferno difficulty
Complete Mission 5 on Inferno difficulty
Complete Mission 6 on Inferno difficulty
Complete Mission 7 on Inferno difficulty
Complete Mission 8 on Inferno difficulty
Complete Mission 9 on Inferno difficulty
Complete Mission 10 on Inferno difficulty
Complete Mission 11 on Inferno difficulty
Complete Mission 12 on Inferno difficulty
Complete Mission 13 on Inferno difficulty
Complete Mission 14 on Inferno difficulty
Complete Mission 15 on Inferno difficulty
Complete Mission 16 on Inferno difficulty
Complete Mission 17 on Inferno difficulty
Complete Mission 18 on Inferno difficulty
Complete Mission 19 on Inferno difficulty
Complete Mission 20 on Inferno difficulty
Complete Mission 21 on Inferno difficulty
Complete Mission 22 on Inferno difficulty
Complete Mission 23 on Inferno difficulty
Complete Mission 24 on Inferno difficulty
Complete Mission 25 on Inferno difficulty
Obtain all 6 base Assault Rifles
Obtain all 9 SNR model Sniper Rifles
Obtain all R Model Assault Rifles
Obtain both FiveStar model Sniper Rifles
Obtain all D Model Assault Rifles
Obtain all 3 Lysander model Sniper Rifles
Obtain the AS-20SSS model Assault Rifle
Obtain all 9 SG model Shotguns
Obtain both Governor model Shotguns
Obtain all 10 Goliath model Rocket Launchers
Obtain both Volcano model Rocket Launchers
Obtain the Devastator model Rocket Launcher
Obtain all 3 ELEM model Missile Launchers
Obtain all 3 ML model Missile Launchers
Obtain the Sky Turtle and its protype Missile Launchers
Obtain both Prominence model Missile Launchers
Obtain both SR model Missile Launchers
Obtain all 5 HG model Grenades
Obtain all 4 GHG model Grenades
Obtain all 7 UM model Grenade Launchers
Obtain all GR model Cluster and Adhesive Grenades
Obtain all 6 Rebound Guns
Obtain all 6 Flamethrowers
Obtain all 5 Repair Sprays
Obtain all 4 Cluster Grenades
Upgrade Storm 1's health to 500
Upgrade Storm 1's health to 1000
Upgrade Storm 1's health to 2000