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