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.

Make a total of 50 augmentations across all weapon and armor pieces.

Vaporize 10,000 Zombies with the Aerial Bombardment skill (Heavy Class).

Open 100 Strongboxes.

Complete Power Out without any player on a 4 player team taking any damage from the central turret.

Pick up $1,000,000 in SAS4 Cash loot drops.

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.

Level up an Assault, Medic and Heavy character to level 10.

Wipe out 10,000 Zombies with the Assault Team skill (Assault Class).

Extinguish 1,000 Wickers.

Open 10 Strongboxes.

Kill 5,000 Zombies using turrets.

Hold a level 20 character in each of the 3 character slots.

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.

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.

Snuff 1,000 Necrosis bosses.

Complete Last Stand without a single Zombie getting through.

Defeat all Zombies on Onslaught without allowing either of the ramp doors to fall.

Do not open any pods besides the boss pod in the boss encounter room.

Apply a total of 25 skill points on a single character between Fast Reload and Fast Movement (at least 5 points in each).

Personally curb stomp 1,000,000 Zombies.

Sell 5,000 weapons or gear pieces.

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).

Kneecap 5,000 Runners.

Pulverize 5,000 Shamblers.

Find all hidden stashes in the original 7 maps.

Bash through 5,000 Shielders.

Chew up 5,000 Spitters.

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.

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).

Heal to death 10,000 Zombies using the Zombie Antidote skill (Medic Class).

Reach level 11 with one character.

Resist 1,000 Zombie attacks using the Die Another Day skill (Heavy Class).

Fill an augmentation slot up to grade 10 on any single weapon or armor piece.

Open 10,000 Strongboxes.

Evacuate the VIP without him taking any damage.

Fill an augmentation slot up to grade 5 on any single weapon or armor piece.

Make a total of 1,000 augmentations across all weapons.

Bash 1,000 Zombies using the Close Quarters Combat skill (Assault Class).

Allow every survivor to, well, not survive.