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