Here is the full list of all 16 Polylithic achievements.
Collect 200 units of Log
Complete the H&G Era
Sustain 5 tribe members
Roast 100 units of meat
Kill every type of animal
Run 100 kilometers in total
Sneak for 5 kilometers in total
Level up a tribe member to level 10 in any activity
Kill a Wolf without getting hit
Eat every single type of food
Collect 300 units of Stalk