Clear Sabotage Game mode.
Get to Tactician Perk Lv50.
Clear Search and Destroy Game mode.
Get to Heavy Weapon Perk Lv50.
Get to Quick Fix Perk Lv50.
Clear Killing Field Game mode.
Get to Combat Engineer Perk Lv50.
Clear Extermination Game mode.
Get to Assault Juggernaut Perk Lv50.
Clear Base 191 Extraction Game mode.
Get to Stimulator Perk Lv50.
Kill 1000 enemies with Heavy Weapon.
Kill 500 enemies with Heavy Weapon.
Get to Pyromaniac Perk Lv50.
Kill 500 enemies with Flame Weapon.
Clear Pilot Rescue Game Mode.
Kill 1000 enemies with Flame Weapon.
Level up any perk.
Get to Gunslinger Perk Lv50.
Clear Pilot Rescue Z Game Mode.
Get to Juggernaut Perk Lv50.
Get to Shotgunner Perk Lv50.
Get to Rifleman Perk Lv50.
Clear Bodycount Game mode.
Clear Gun Game mode.
Clear Termination Game mode.
Clear Onslaught Game mode.
Clear Zombie Invasion Game mode.
Clear Zombie Gun Game mode.
Kill 250 Zombies.
Clear any game with Hard difficulty.
Kill 500 Zombies.
Kill 1000 Zombies.
Kill 5000 Zombies.
Kill 2000 Zombies.
Kill 250 enemies.
Kill 500 enemies.
Kill 2000 enemies.
Kill 1000 enemies.
Kill 5000 enemies.
Clear any game with Nightmare difficulty.
Clear Armored Strike Game Mode.
Buy any weapon
Kill two enemies with one shot.
Buy all abilities
Kill three enemies with one shot
Be dead while reloading.
Kill 500 enemies with Pistol or Revolver.
Kill any enemy with Reactive Armor's explosion.
Kill 1000 enemies with Pistol or Revolver.
Get to Technician Perk Lv50.
Clear Siege Game mode.
Kill 500 enemies with Submachinegun.
Kill 500 enemies with Shotgun.
Kill 1000 enemies with SMG.
Kill 1000 enemies with Shotgun.
Kill 500 enemies with Assault Rifle.
Kill 500 enemies with LMG.
Kill 1000 enemies with Assault Rifle.
Kill 1000 enemies with LMG.
Become a Tier 1 of any perk.
Clear Siege-Z Game mode.
Become a Tier 2 of any perk.
Kill 100 enemies with Hand Grenade.
Get to Assault Recon Perk Lv50.
Clear any game with Extreme difficulty.
Become a Tier 3 of any perk.
Become a Tier 5 of any perk.
Become a Tier 4 of any perk.
Reach the max perk level and tier level 5.
Get to Machine Gunner Perk Lv50.
Clear Train Assault Game mode.
Clear any Stealth mode in the loud state.
Clear Base Infiltration Game mode.
Kill 500 enemies with DMR.
Get to Specialist Perk Lv50.
Kill 1000 enemies with DMR
Get to Infiltrator Perk Lv50.
Clear Stronghold Game mode.
Get to Demolition Perk Lv50.
Clear TRM Game mode.
Do first weapon upgrade.
Kill 500 enemies with Grenade Launcher.
Do max upgrades for any weapon stat.
Kill 1000 enemies with Grenade Launcher.
Kill 500 enemies with Rocket Launcher.
Clear Front Line Game Mode.
Kill 1000 enemies with Rocket Launcher.
Kill five enemies with a single rocket or grenade.
Get to Support Perk Lv50.
Get to Field Medic Perk Lv50.
Clear any game with Ultra Nightmare difficulty.
Get to Marksman Perk Lv50.
Kill 500 enemies with Sniper Rifle.
Get to Combat Sniper Perk Lv50.
Kill 1000 enemies with Sniper Rifle.
Get to CQC Specialist Perk Lv50.
Clear Pursuit Game mode.
Clear Public Enemy Game mode.
Clear VIP Escort Game mode.
Clear Wave Defense Game Mode.
Kill 500 enemies with Sentry Gun.
Get to Shield Perk Lv50.
Get to Corpsman Perk Lv50.
Clear Zombie Street Game mode.
Clear Overlord Game mode.
Clear Train Assault Z Game Mode.
Clear Wave Defense Z Game Mode.
Get to Field Officer Perk Lv50.
Clear Elite Bodycount Game mode.
Get to Grenadier Perk Lv50.
Clear Front Line Z Game Mode.
Clear Urban Defense Z Game mode.
Clear Public Termination Game mode.
Clear Assassination Game mode.
Clear any game with Hell's Highway difficulty.