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