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