Here is the full list of all 13 Ancestors: The Humankind Odyssey achievements.
Become Omnivorous.
Become Australopithecus Afarensis.
Unlock the ability to walk on two legs.
Become Ardipithecus Ramidus.
Be the Apex Predator. Kill all possible predators.
Become Orrorin Tugenensis.
Conquer your fear of the unknown 5 times to broaden your clan's territory.
Dodge a Machairodus' attack twice.
Give a head start to your Neuronal Network.
Launch the last possible evolution of Ancestors: The Humankind Odyssey.
Become Australopithecus Africanus.
Establish a new settlement for your clan.
Save the kid of the opening sequence.