Reach level 50 with one character
Make a total of 1,000 augmentations across all armor pieces
Add your first augment to any weapon or armor piece
Open 100 Strongboxes
Slow 5,000 zombies with the Biocleanse Bomb skill (Medic class)
Encounter and destroy 1 of each zombie, elite, and boss type
Eviscerate 1,000 Devastators
Wipe out 10,000 zombies with the Assault Team skill (Assault class)
Extinguish 1,000 Wickers
Open 10 Strongboxes
Hold a level 20 character in each of the 3 character slots
Reach level 11 with one character
Kill 5,000 zombies using grenades
Terminate 1,000 Zombie Mechs
Complete Last Stand without letting a single zombie past the first barrier
Rescue every single survivor on the Survivors map
De-worm 1,000 Regurgitators
Kill 5 or more zombies with a single car explosion
Reach level 2 with one character
Drop 5,000 Bloaters
Pick up $1,000,000 in SAS4 Cash loot drops
Make 1,000 successful stands
Successfully defend the ship 1,000 times
Successfully defeat the pods 1,000 times
Successfully complete Power Out 1,000 times
Survive Survivors 1,000 times
Successfully extract the vaccine 1,000 times
Successfully escort the whiny VIP 1,000 times
Make a total of 50 augmentations across all weapon and armor pieces
Open 10,000 Strongboxes
Kill 5,000 zombies using turrets
Snuff 1,000 Necrosis bosses along with all 3 children
Complete Last Stand without a single zombie getting through
Defeat all zombies on Onslaught without allowing either of the ramp doors to fall
Resist 1,000 zombie attacks using the Die Another Day skill (Heavy class)
Chew up 5,000 Spitters
Bash 1,000 zombies using the Close Quarters Combat skill (Assault class)
Do not open any pods besides the boss pod
Apply 25 total skill points on a single character between Fast Reload and Fast Movement (at least 5 points in each)
Sell 5,000 weapons or gear pieces
Destroy every breakable object in the VIP's mansion
Apply 25 total skill points on a single character between Health Regen and Energy Regen (at least 5 points in each)
Kneecap 5,000 Runners
Bash through 5,000 Shielders
Obliterate 5,000 Stalkers
Apply 25 total skill points on a single character between Toughness and Body Armor Expert (at least 5 points in each)
Complete Vaccine with a 4 player team where you extract the vaccine and get all 4 players on the ship in less than 5 minutes
Level up an Assault, Medic, and Heavy character to level 10
Fill any augmentation slot up to grade 10 on any single weapon or armor piece
Evacuate the VIP without him taking any damage
Fill any augmentation slot up to grade 5 on any single weapon or armor piece
Make a total of 1,000 augmentations across all weapons
Find all hidden stashes in the the original 7 maps
Pulverize 5,000 Shamblers
Allow every survivor to, well, not survive
Complete Power Out without any player on a 4 player team taking any damage from the central turrets
Heal to death 10,000 zombies with the Zombie Antidote skill (Medic class)
Personally curb stomp 1,000,000 zombies
Vaporize 10,000 zombies with the Aerial Bombardment skill (Heavy Class)
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