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