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