SHOCK JOCK
Unlocked atRevive 10 dead Survivors with the defibrillator.
THREE’S A CROWD
Not unlocked yetRescue three Survivors from a single rescue closet.
ELEPHANT IN THE ROOM
Unlocked atRevive an incapacitated teammate while a Tank is nearby.
CHAOS GENERATOR
Unlocked atHave all 3 generators running at once in "The Sacrifice" finale.
KILL BILL
Unlocked atHave Bill sacrifice himself for the team.
A RIDE DENIED
Unlocked atKill a Jockey within 2 seconds of it jumping on a Survivor.
GAS SHORTAGE
Not unlocked yetCause 25 gas can drops as a Special Infected.
CACHE AND CARRY
Not unlocked yetCollect 15 gas cans in a single Scavenge round.
GAS GUZZLER
Not unlocked yetCollect 100 gas cans in Scavenge.
GRAVE ROBBER
Unlocked atCollect 10 items dropped by a Fallen Survivor.
FUEL CRISIS
Not unlocked yetMake a Survivor drop a gas can during overtime.
PORT OF SCAVENGE
Not unlocked yetPlay 5 full games of Scavenge on The Port.
SCAVENGE HUNT
Unlocked atStop the enemy team from collecting any gas cans during a Scavenge round.
HUNTING PARTY
Unlocked atWin a game of Scavenge.
THE QUICK AND THE DEAD
Not unlocked yetRevive 10 incapacitated Survivors while under the speed-boosting effects of adrenaline.
STACHE WHACKER
Unlocked atProve you are faster than Moustachio.
GONG SHOW
Unlocked atProve you are stronger than Moustachio.
GETTING STARTED
Not unlocked yetEarn a bronze medal on any official Survival map.
BEAT THE RUSH
Unlocked atIn a Survival round, get a medal only using melee weapons.
THIS IS WHERE THE FUN BEGINS
Not unlocked yetEarn a gold medal on any official survival map.
ON OUR WAY
Not unlocked yetEarn a silver medal on any official survival map.
THE BIG TEN
Not unlocked yetSurvive for 10 minutes on any official map in Versus Survival.
SUPREME SURVIVALIST
Not unlocked yetSurvive for 30 minutes on any official survival map.
BRIDGE BURNER
Unlocked atSurvive the Parish campaign.