BossZombieMan

E-Knocked Out! Completed the Catacombs level

Power Up! Spent 1000 on upgrades

Wacker Packer! Upgrade any weapon in Pack A Punch. (Map Pack 3 only)

Booked Solid Had Slob, Family, Cultural, Eco and Wealthy tourists at the same time on the island

Fire Drill Arm the emergency release and escape in under 2:30 on Sulaco Falls

Hitman Kill 10 enemies with a headshot

Rule Them All Defeat Black Riders/Nazgûl

Alternative solution Get 20 kills with secondary fire using the Bryar Pistol or Heavy Repeater

Master Sponge Unlock all Gizmos and upgrades for SpongeBob.

The Bigger They Are… Complete "End Game" on any Difficulty.

Earth's Hero Complete the game on any Difficulty.

Warhead Hunter Detonated all of the warheads in the Divide.

Gadget Freak Purchase all the upgrades for one of your weapons in the single player campaign.

Cause of Death Executed a Rebel Leader

Death Dealer Win 25 Team Deathmatch rounds

Zombie Killing 101 Kill 50 zombies using a melee weapon.

25 Hit Combo Got a 25 hit combo

Last Man Standing As a Fireteam member, escape as the sole survivor

Headspinner Do a 1080 spin and land successfully

Investor Spent 10000 on upgrades

What will you become? Get 20 kills with the A180 and the Sonic Imploder

Goodwood Regular Take part in the Goodwood Hillclimb in a variety of cars.

Danger Freighter Perform a 4 stunt combo on Freighter.

Naval Mastery Occupied all support positions in "Overrun".

The Cleaner Get a 10 kill streak in Deathmatch

Early Bird As the Predator, kill the entire Fireteam before they complete their main mission

The path of the Sword Acquire all of the Void Sword skills and upgrades

Hammer Time Repair 200 window boards in a single game. (Map Pack 2 only)

Move It! Move It! 100CC Rocker Win a 100CC single player Move It! Move It! race.

Cartoon Collector Unlock all characters

Driving lessons Kill at least 10 enemies by ramming them with a vehicle.

Weapon of Minor Destruction Kill no more than one zombie with a nuke. (Map Pack 2 only)

Checkpoint Master Collect 40 Hourglasses in one Single Player Checkpoint Race.

That's gotta hurt! Perform 10 special attacks

Ending A Achieved "Forgiveness" ending.

Damnedbusters Complete Damnation Valley on any difficulty.

Storm Watch Got through the sandstorm without hitting any vehicles in Hello and Dubai

Employee of the Month Kill Vernon

Grass Roots Completed JR's Grass Roots event

Do we take prisoners? Stun 20 enemies with the Shock Grenade (Multiplayer)

Mayhem Tour Winner Win the Mayhem Tour

Stick Around Kill 20 enemies with the Combi Stick

Roadhouse Kill 3 members of the opposing team with a melee attack before you die in Multiplayer

Master of the Tear Double Teamed with every Drowning Doom unit

Wave Goodbye Defeat Cetus.

Silent Hill Tour Guide Completed all side quests.

Add that one to the fossil record! Defeat a Bug Hive Lord.

Field Medic Players revive allies 20 times.

Look Ma, No Eyes! Complete the game with the Blind Master gauge equipped.

Helipocalypse Destroy 6 helicopters in the "Kill Switch" Special Ops mission.