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