Here is the full list of all 24 Dawn of Man achievements.
Complete all 4 challenges in hardcore mode
Complete all 4 challenges
Have at least 3 mines at one given time in the Neolithic era
Reach 1000 prestige
Get 200 people in your settlement
Produce 10 Steel Swords in one game
Hunt 100 deer in one game
Build a Menhir, Dolmen, Stone Circle, Statue and Cairn in the same game
Get to the Iron Age
Complete 1 challenge
Achieve a population of 50 in the Continental Dawn scenario
Hunt a Mammoth
Complete tutorial
Launch the game
Complete 5 milestones in hardcore mode
Complete all milestones
Complete all milestones in hardcore mode
Get 100 people in your settlement in the Paleolithic era
Research all techs in the tech tree in less than 5 hours of gameplay
Unlock the Bronze Age in the Ancient Warriors scenario
Unlock the Steelmaking tech in the Ancient Warriors scenario
Achieve a population of 50 in The Northlands scenario
Achieve a population of 50 in the Ancient Warriors scenario
Reach 900 prestige in the Stone Age