Full list of all 67 Assassin's Creed Origins achievements. It takes around 60-80 hours to unlock all of the achievements in the base game on Windows.
The base game contains 53 achievements, and there are 2 DLC packs containing 14 achievements.
Complete all locations.
Complete all 12 Stone Circles.
Complete all hermit locations.
Defeat 8 Ship Captains.
Complete 15 underwater locations.
Kill 30 enemies by shooting a fire arrow at oil jars.
Use Dawn & Dusk to make time speed forward 30 times.
Run away from 3 fights with a hippo.
Complete Side Quest "Seven Farmers".
Complete all tours in the Daily Life category
Complete tours with at least 5 different characters
Complete one tour
Sell 100 trinkets at once.
Headshot kill an enemy with the bow while in the air.
Witness raining bugs in the desert.
Defog the whole map.
Feed a predator with a corpse.
Kill an enemy with the predator bow from more than 60 meters while controlling the arrow.
Defeat the war elephants Qetesh & Resheph.
Complete the last Main Quest.
Complete Main Quest "The Final Weighing".
Finish an arena boss with an Overpower Attack.
Kill a poisoned level 35+ enemy with the torch in less than 30 seconds.
Complete Main Quest "The Aftermath".
Complete all arena events in the Krokodilopolis Arena.
Complete Main Quest "The Crocodile's Jaws".
Bring a tamed lion to a crocodile.
Kill 10 enemies in a row without being detected.
Reach the "Top of the World" in the Black Desert territory.
Kill 3 enemies with one hit.
Be equipped with only Legendary equipment.
Swim for 1500m, ride for 40km and run for 10km.
Defeat a Phylakes.
Complete Main Quest "The Lizard's Face".
Activate a Master ability.
Use the eagle for a total of 30 minutes.
Complete Main Quest "The Hyena".
Tame a lion.
Reach level 20.
Complete Main Quest Dream Sequence.
Take 1 photo in 5 different territories.
Destroy 100 breakable objects.
Complete Main Quest "Pompeius Magnus".
Complete Main Quest "The Scarab's Lies".
Use all types of vehicle at least once.
Complete Main Quest "Aya".
Win the first Hippodrome tournament.
Destroy an opponent in a Hippodrome race.
Craft 20 items.
Complete Side Quest "Lady of Slaughter".
Complete the Prologue.
Solve a papyrus mystery.
Complete a tomb.
Perform a leap of faith from Arsinoe's sundial obelisk between 10 am and noon (The Hidden Ones)
Perform 3 Assassinations from a zipline (The Hidden Ones)
Kill an enemy with a headshot while they are being harassed by Senu (The Hidden Ones)
Complete Side DLC Quests "Rise of Shaqilat" and "Shadows of the Scarab" (The Hidden Ones)
Complete Main DLC Quest "The Greater Good" (The Hidden Ones)
Assasinate Tacito, Ptahmose and Ampelius (The Hidden Ones)
Complete the Walls-of-the-Ruler citadel (The Hidden Ones)
Free 20 Rebels (The Hidden Ones)
Acquire Eternal Maw for use outside the Afterlifes (The Curse of the Pharaohs)
Complete the 5 Serqet locations (The Curse of the Pharaohs)
Kill a Mummy by setting it on fire (The Curse of the Pharaohs)
Reach level 55 (The Curse of the Pharaohs)
Craft an upgrade using Shards of a Star (The Curse of the Pharaohs)