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