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.
Recover the Cyclops's eye from a goat on Kephallonia.
Complete all underwater location objectives.
Unveil all sub-regions of Greece.
Complete the Daughters of Artemis questline.
Defeat all the Cultists of Kosmos.
Upgrade your Spear to Tier 6.
Complete Episode 9 + Epilogue.
Complete Episode 8.
Complete Episode 7.
Complete the Olympic questline.
Complete Xenia's questline.
Complete 20 Quests on Pephka, Obsidian and Abantis islands.
Defeat the Cyclops.
Defeat Medusa.
Upgrade the Adrestia to Legendary Status.
Complete the Hippokrates questline.
Cleave a ship while having an all-women crew.
Perform an Overpower Attack with every weapon type.
Fully crew the Adrestia with Legendary Lieutenants.
Become the first Mercenary.
Complete Markos's questline.
Defeat the Minotaur.
Raise your Bounty to the maximum level.
Outwit the Sphinx.
Reach Level 50.
Acquire a Tier 3 active Ability.
Become Champion of the Arena.
Defeat a Mercenary in the Arena.
Equip a Legendary Armor set.
Equip 1 Legendary melee weapon and 5 Legendary armor pieces.
Defeat a full cluster of Cultists of Kosmos.
Discover Atlantis and speak with Pythagoras.
Complete Episode 6.
Complete Episode 5.
Engrave a Legendary Item with a Legendary Effect.
Engrave your first item.
Complete Episode 4.
Complete 20 Bounties, War Contracts, or Naval Quests from Message Boards.
Recruit and assign a Legendary NPC for your ship.
Sink your first Epic Ship.
Cleave a ship in half.
Upgrade the Adrestia for the first time.
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.
Spend the night with another character.
Acquire and equip your first Legendary item.
Complete Episode 2.
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
Discover the truth about Darius's past.
Kill all of the Ancients in the Order of the Hunters in Makedonia.
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.
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.
Set 10 enemy ships on fire.
Kill 10 enemies using the Rapid Fire 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
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.
Close all Tartaros Rifts.
Collect all the Keeper's Insights in Episode 2.
Defeat all of the Fallen.
Defeat Cerberos.
Defeat the Hekatonchires.
Kill 10 Isu Soldiers with the Blessing of Kronos enhancement.
Forge the 3 Legendary Weapons.
Completely fill the Knowledge Sequence.
Collect all the Keeper's Insights in Episode 3.