Full list of all 93 Assassin's Creed Odyssey achievements worth 1,850 gamerscore.
The base game contains 50 achievements worth 1,000 Gamerscore, and there are 21 DLC packs containing 43 achievements worth 850 Gamerscore.
Achievements they've won
Achievements they've not won
Complete Xenia's questline.
Complete the Daughters of Artemis questline.
Upgrade your Spear to Tier 6.
Defeat the Cyclops.
Defeat all the Cultists of Kosmos.
Complete Markos's questline.
Complete Episode 9 + Epilogue.
Complete Episode 8.
Complete Episode 7.
Complete 20 Quests on Pephka, Obsidian and Abantis islands.
Defeat a Mercenary in the Arena.
Upgrade the Adrestia to Legendary Status.
Become Champion of the Arena.
Defeat the Minotaur.
Cleave a ship while having an all-women crew.
Complete the Olympic questline.
Equip 1 Legendary melee weapon and 5 Legendary armor pieces.
Become the first Mercenary.
Reach Level 50.
Equip a Legendary Armor set.
Acquire a Tier 3 active Ability.
Defeat a full cluster of Cultists of Kosmos.
Complete the Hippokrates questline.
Outwit the Sphinx.
Discover Atlantis and speak with Pythagoras.
Perform an Overpower Attack with every weapon type.
Complete Episode 6.
Fully crew the Adrestia with Legendary Lieutenants.
Engrave a Legendary Item with a Legendary Effect.
Complete Episode 5.
Engrave your first item.
Kill the Leader of any Region with Low Resources, other than Megaris.
Raise your Bounty to the maximum level.
Complete Episode 4.
Complete 20 Bounties, War Contracts, or Naval Quests from Message Boards.
Complete Episode 3.
Spend the night with another character.
Win your first on land conquest battle in any region (excluding Megaris in Hero's Journey).
Sink your first Epic Ship.
Complete Episode 2.
Recruit and assign a Legendary NPC for your ship.
Upgrade the Adrestia for the first time.
Acquire and equip your first Legendary item.
Cleave a ship in half.
Complete Episode 1.
Complete the Battle of 300.
Complete all underwater location objectives.
Recover the Cyclops's eye from a goat on Kephallonia.
Unveil all sub-regions of Greece.
Complete The Show Must Go On.
Complete Divine Intervention.
Complete The Image of Faith.
Complete The Daughters of Lalaia.
Complete A Poet's Legacy.
Complete A Brother's Seduction
Complete A Friend Worth Dying For
Complete The Heir of Memories
Complete One Really, Really Bad Day
Complete Every Story Has an Ending
Complete Old Flames Burn Brighter
Defeat Steropes the Lightning Bringer.
Defeat Arges the Bright One
Kill the Makedonian lion.
Kill all of the Ancients in the Order of the Hunters in Makedonia.
Discover the truth about Darius's past.
Kill 10 enemies using the Death Veil ability.
Land a Rush Assassinate that chains 4 times with the Pride of the Lion.
Kill 10 enemies using the Rapid Fire ability.
Set 10 enemy ships on fire.
Kill all of the Ancients in the Order of the Storm in Achaia.
Heal by parrying 10 times with the Judgment of the Lion.
Continue the bloodline.
Heal by getting 10 headshot kills while you have the Golden Harbinger equipped.
Acquire the Sword of Kings
Secure your bloodline
Kill all the Ancients in the Order of Dominion in Messenia
Kill 10 enemies using the Fury of the Bloodline Ability.
Win the conquest of Elysium with freed humans from the 3 main regions.
Destroy all of the Marble Maiden Tributes.
Kill all Overseers in Elysium.
Collect all the Keeper's Insights in Episode 1.
Remember who you are.
Dethrone the king.
Close all Tartaros Rifts.
Defeat all of the Fallen.
Collect all the Keeper's Insights in Episode 2.
Defeat the Hekatonchires.
Forge the 3 Legendary Weapons.
Kill 10 Isu Soldiers with the Blessing of Kronos enhancement.
Collect all the Keeper's Insights in Episode 3.
Completely fill the Knowledge Sequence.