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