Here is the full list of all 13 Ancestors: The Humankind Odyssey achievements worth 1,000 gamerscore.
Save the kid of the opening sequence.
Establish a new settlement for your clan.
Conquer your fear of the unknown 5 times to broaden your clan's territory.
Give a head start to your Neuronal Network.
Be the Apex Predator. Kill all possible predators.
Become Orrorin Tugenensis.
Become Ardipithecus Ramidus.
Become Australopithecus Afarensis.
Become Australopithecus Africanus.
Launch the last possible evolution of Ancestors: The Humankind Odyssey.
Dodge a Machairodus' attack twice.
Unlock the ability to walk on two legs.