How to Survive
Back fire
Complete "El Diablo" chapter in "Kovac's Way" difficulty
Mass murderer
Kill 1000 zombies
Level Up
Unlock your first skill
Dead…again
Achieve your first instant kill on a zombie.
Discoverer III
Enter Santa Barbara Island
Cheap kill
Kill 5 monsters in a row with a bullet or an arrow.
Collateral damage
Get zombies deer to kill 20 Zombies.
Pharmacofobia
Complete a challenge in "Normal" difficulty without using medicinal plants nor medikits.
Close killer
Perform 100 instant kills.
Herbalist
Find the 20 special plants of the Herbarium.
Wait your turn
Perform 5 instant kills in less than 15 seconds.
Discoverer I
Enter La Vendida Island
Picky monkeys
Complete the 12 secondary quests of Kovac's monkeys.
Four-handed massacre
Complete a local or online challenge with another player.
Unbreakable
Complete the story mode in "Iron man" difficulty.
One per sec.
Kill 5 zombies in less than 5 seconds.
No more room in hell
Kill 2000 zombies
Perfect run
Complete a challenge with a "S" ranking.
Winners don't use drugs
Complete a challenge in "Iron man" difficulty without using medicinal plants nor medikits.
Easy survival
Complete the story mode in "Normal" difficulty.
Express cleaner
Kill 20 zombies in less than 5 seconds.
Untouchable
Complete a challenge in "Iron man" difficulty without losing health.
The weasel
Complete a challenge in "Normal" difficulty without losing health.
Discoverer II
Enter La Sonada Island
Survival veteran
Reach "Survival hobbyist" ranking tag (Challenge mode)
Speed killing
Kill 10 zombies in less than 5 seconds.
Survival marathoner
Survive the 15th night of the mode "Barricade!"
The hardest part is yet to come
Survive the 10th night of the mode "Barricade!"
A cat among the pigeons
Survive the 5th night of the mode "Barricade!"
Dead easy trip
Complete the mode "One Shot Escape" in "Normal" difficulty.
Nightmarish trip
Complete the mode "One Shot Escape" in "Kovac's Way" difficulty.
Eventful trip
Complete the mode "One Shot Escape" in "Iron Man" difficulty.
Discoverer IV
Enter Horno Island
God of Rain
Complete the special remote
Electric skewer
Kill 8 monsters in a row using electricity
Hot flush
Complete "El Diablo" chapter in "Normal" difficulty
Discoverer VI
Enter Ascuas Island
Glass breaker
Kill a volcanologist zombie without electricity
Discoverer V
Enter Cenizas Island
Burn out
Complete "El Diablo" chapter in "Iron Man" difficulty
Monkeys on your back
Complete all the monkeys' quests of El Diablo islands
Bolts' master
Recharge your electric weapon without using an electric pylon.
High voltage
Kill 500 monsters with electricity