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