Here is the full list of all 17 Return to Kurgansk achievements.
Defeat 100 monsters
Survive for 14 days
Complete the tutorial
Complete chapter 1
Complete chapter 2
Complete chapter 3
Unlock the main ending
Unlock the alternative ending
Craft 50 items
Eat 100 food items
Create Sawscrap
Create Perfect pistol
Create Mandrel shotgun
Defeat Shaman with bare fists
Destroy 100 resource sources
Resurrect 10 times
Hit 5 shaman eyes with an arrow