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