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