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
Defeat all the Cultists of Kosmos.
Upgrade your Spear to Tier 6.
Complete Episode 9 + Epilogue.
Complete Episode 8.
Complete Episode 7.
Complete the Hippokrates questline.
Reach Level 50.
Complete the Olympic questline.
Outwit the Sphinx.
Discover Atlantis and speak with Pythagoras.
Complete all underwater location objectives.
Become Champion of the Arena.
Complete Xenia's questline.
Defeat the Cyclops.
Become the first Mercenary.
Complete Episode 6.
Complete Episode 5.
Complete Markos's questline.
Unveil all sub-regions of Greece.
Upgrade the Adrestia to Legendary Status.
Complete the Daughters of Artemis questline.
Equip a Legendary Armor set.
Defeat the Minotaur.
Defeat a Mercenary in the Arena.
Acquire a Tier 3 active Ability.
Complete 20 Quests on Pephka, Obsidian and Abantis islands.
Defeat a full cluster of Cultists of Kosmos.
Complete Episode 4.
Perform an Overpower Attack with every weapon type.
Spend the night with another character.
Complete 20 Bounties, War Contracts, or Naval Quests from Message Boards.
Equip 1 Legendary melee weapon and 5 Legendary armor pieces.
Complete Episode 3.
Fully crew the Adrestia with Legendary Lieutenants.
Raise your Bounty to the maximum level.
Recover the Cyclops's eye from a goat on Kephallonia.
Cleave a ship while having an all-women crew.
Engrave a Legendary Item with a Legendary Effect.
Recruit and assign a Legendary NPC for your ship.
Kill the Leader of any Region with Low Resources, other than Megaris.
Sink your first Epic Ship.
Cleave a ship in half.
Win your first on land conquest battle in any region (excluding Megaris in Hero's Journey).
Upgrade the Adrestia for the first time.
Complete Episode 2.
Acquire and equip your first Legendary item.
Complete Episode 1.
Engrave your first item.
Complete the Battle of 300.
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
Land a Rush Assassinate that chains 4 times with the Pride of the Lion.
Discover the truth about Darius's past.
Kill all of the Ancients in the Order of the Hunters in Makedonia.
Kill 10 enemies using the Death Veil ability.
Kill the Makedonian lion.
Kill 10 enemies using the Rapid Fire ability.
Heal by parrying 10 times with the Judgment of the Lion.
Set 10 enemy ships on fire.
Kill all of the Ancients in the Order of the Storm in Achaia.
Continue the bloodline.
Heal by getting 10 headshot kills while you have the Golden Harbinger equipped.
Acquire the Sword of Kings
Kill all the Ancients in the Order of Dominion in Messenia
Kill 10 enemies using the Fury of the Bloodline Ability.
Secure your bloodline
Win the conquest of Elysium with freed humans from the 3 main regions.
Remember who you are.
Destroy all of the Marble Maiden Tributes.
Collect all the Keeper's Insights in Episode 1.
Kill all Overseers in Elysium.
Dethrone the king.
Defeat all of the Fallen.
Collect all the Keeper's Insights in Episode 2.
Close all Tartaros Rifts.
Defeat the Hekatonchires.
Forge the 3 Legendary Weapons.
Collect all the Keeper's Insights in Episode 3.
Completely fill the Knowledge Sequence.
Kill 10 Isu Soldiers with the Blessing of Kronos enhancement.