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