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