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