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