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