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