Here is the full list of all 27 How To Survive: Third Person Standalone achievements.
Kill 20 zombies in less than 5 seconds.
Reach "Survival hobbyist" ranking tag (Challenge mode)
Complete a challenge with a "S" ranking.
Complete a challenge in "Normal" difficulty without losing health.
Complete a challenge in "Iron man" difficulty without losing health.
Complete the story mode in "Iron man" difficulty.
Complete the story mode in "Normal" difficulty.
Complete the 12 secondary quests of Kovac's monkeys.
Find the 20 special plants of the Herbarium.
Get zombies deer to kill 20 Zombies.
Kill 5 monsters in a row with a bullet or an arrow.
Complete the mode "One Shot Escape" in "Normal" difficulty.
Complete the mode "One Shot Escape" in "Iron Man" difficulty.
Complete the mode "One Shot Escape" in "Easy" difficulty.
Kill 2000 zombies
Kill 10 zombies in less than 5 seconds.
Complete a challenge in "Iron man" difficulty without using medicinal plants nor medikits.
Complete a challenge in "Normal" difficulty without using medicinal plants nor medikits.
Kill 1000 zombies
Enter Santa Barbara Island
Perform 100 instant kills.
Perform 5 instant kills in less than 15 seconds.
Enter La Sonada Island
Enter La Vendida Island
Kill 5 zombies in less than 5 seconds.
Unlock your first skill
Achieve your first instant kill on a zombie.