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 19 DLC packs containing 43 achievements worth 850 Gamerscore.
Complete Xenia's questline.
Complete 20 Quests on Pephka, Obsidian and Abantis islands.
Complete the Hippokrates questline.
Defeat all the Cultists of Kosmos.
Upgrade your Spear to Tier 6.
Complete Episode 9 + Epilogue.
Complete Episode 8.
Complete Episode 7.
Complete the Olympic questline.
Complete all underwater location objectives.
Defeat Medusa.
Defeat the Minotaur.
Upgrade the Adrestia to Legendary Status.
Defeat the Cyclops.
Outwit the Sphinx.
Discover Atlantis and speak with Pythagoras.
Unveil all sub-regions of Greece.
Complete Markos's questline.
Complete Episode 6.
Complete Episode 5.
Reach Level 50.
Engrave a Legendary Item with a Legendary Effect.
Become Champion of the Arena.
Become the first Mercenary.
Acquire a Tier 3 active Ability.
Complete the Daughters of Artemis questline.
Fully crew the Adrestia with Legendary Lieutenants.
Perform an Overpower Attack with every weapon type.
Defeat a Mercenary in the Arena.
Defeat a full cluster of Cultists of Kosmos.
Complete Episode 4.
Equip 1 Legendary melee weapon and 5 Legendary armor pieces.
Equip a Legendary Armor set.
Raise your Bounty to the maximum level.
Spend the night with another character.
Complete 20 Bounties, War Contracts, or Naval Quests from Message Boards.
Sink your first Epic Ship.
Win your first on land conquest battle in any region (excluding Megaris in Hero's Journey).
Kill the Leader of any Region with Low Resources, other than Megaris.
Complete Episode 3.
Acquire and equip your first Legendary item.
Complete Episode 2.
Upgrade the Adrestia for the first time.
Cleave a ship while having an all-women crew.
Cleave a ship in half.
Recruit and assign a Legendary NPC for your ship.
Complete Episode 1.
Recover the Cyclops's eye from a goat on Kephallonia.
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 the Makedonian lion.
Discover the truth about Darius's past.
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.
Kill 10 enemies using the Death Veil ability.
Heal by parrying 10 times with the Judgment of the Lion.
Kill all of the Ancients in the Order of the Storm in Achaia.
Continue the bloodline.
Set 10 enemy ships on fire.
Kill 10 enemies using the Rapid Fire ability.
Acquire the Sword of Kings
Secure your bloodline
Kill all the Ancients in the Order of Dominion in Messenia
Heal by getting 10 headshot kills while you have the Golden Harbinger equipped.
Kill 10 enemies using the Fury of the Bloodline Ability.
Win the conquest of Elysium with freed humans from the 3 main regions.
Kill all Overseers in Elysium.
Destroy all of the Marble Maiden Tributes.
Remember who you are.
Collect all the Keeper's Insights in Episode 1.
Dethrone the king.
Close all Tartaros Rifts.
Defeat all of the Fallen.
Collect all the Keeper's Insights in Episode 2.
Defeat Cerberos.
Defeat the Hekatonchires.
Forge the 3 Legendary Weapons.
Completely fill the Knowledge Sequence.
Kill 10 Isu Soldiers with the Blessing of Kronos enhancement.
Collect all the Keeper's Insights in Episode 3.