Assassin’s Creed Odyssey Complete Walkthrough#
This walkthrough lays out a full recommended route through Assassin’s Creed Odyssey — every main quest, the key branching choices, and the order in which to hunt down the Cult of Kosmos.
Overall Progression Overview#
Game Phase Breakdown#
| Phase | Level | Region | Duration | Main Goals |
|---|---|---|---|---|
| Prologue | 1-5 | Kephallonia | 3-5 hours | Learn the controls, build your foundation |
| Setting Sail | 5-15 | Kephallonia → Phokis | 8-12 hours | Enter the main story, first contact with the Cult |
| Athens Era | 15-25 | Attika, Boeotia | 12-18 hours | Athenian politics, hunting the Cult |
| Sparta Era | 25-35 | Lakonia, Peloponnese | 12-18 hours | Family reunion, the Spartan war |
| Cult Hunt | 30-45 | All of Greece | 15-20 hours | Eliminate every Cult member |
| Finale | 45-50+ | All of Greece | 10-15 hours | Final showdown, the endings |
Chapter 1: Kephallonia#
Main Quest List#
| # | Quest | Level | Content | Key Choice |
|---|---|---|---|---|
| 1 | From the Abyss | 1 | The protagonist’s daily life | — |
| 2 | The Messenger | 2 | An errand for Markos | — |
| 3 | Buried in Debt | 3 | Collect a debt for Zeus | Whether to show mercy |
| 4 | Khora’s Plight | 4 | Investigate strange events | — |
| 5 | Notoriety | 5 | Build your reputation | — |
| 6 | Lagos’s Request | 6 | Help a villager | How you choose to help |
| 7 | The Curse of Drachmae | 7 | Deal with a bully | — |
| 8 | The Wrath of Poseidon | 8 | An adventure at sea | — |
| 9 | Setting Sail | 8 | Leave Kephallonia | Choose your destination |
Recommended Side Quests#
| Quest | Level | Rewards | Why Do It |
|---|---|---|---|
| Phoibe’s Request | 5 | XP + friendship | Get to know the character |
| Temple Guardian | 4 | XP + equipment | Basic gear pickup |
| Pirate Hunter | 6 | XP + drachmae | Build your finances |
Chapter 2: Phokis and Delphi#
Main Quest List#
| # | Quest | Level | Content | Key Choice |
|---|---|---|---|---|
| 1 | The Sanctuary of Delphi | 12 | Reach Delphi | — |
| 2 | The Oracle’s Prophecy | 13 | Hear the prophecy | How to interpret it |
| 3 | The Cult’s First Clue | 14 | Track a Cult member | — |
| 4 | Shadow of Apollo | 15 | Investigate in Delphi | — |
| 5 | Aspasia’s Letter | 16 | An invitation to Athens arrives | — |
| 6 | On to Athens | 17 | Set out for Athens | — |
Delphi Exploration Highlights#
| Location | Content | Reward |
|---|---|---|
| Temple of Apollo | Main quest location | Advances the story |
| Delphi Tomb | Isu fragments | Permanent boost |
| Stelae | Puzzles | Engraving recipes |
| Sync Points | Vantage points | Fast travel |
Chapter 3: Athens and Attika#
Main Quest List#
| # | Quest | Level | Content | Key Choice |
|---|---|---|---|---|
| 1 | Arrival in Athens | 18 | Enter Athens | — |
| 2 | Perikles’s Banquet | 19 | Attend high society | Who you talk to |
| 3 | Aspasia | 20 | Speak with Aspasia | Romance or friendship |
| 4 | Sokrates’s Debate | 20 | A philosophical discussion | Dialogue choices |
| 5 | Kleon’s Conspiracy | 22 | Investigate Kleon | — |
| 6 | Cult Infiltration | 24 | Go deeper into the Cult | — |
| 7 | Twilight in Athens | 25 | Athens’s final main quest | — |
Recommended Side Quests#
| Quest | Level | Rewards | Why Do It |
|---|---|---|---|
| Sokrates’s Moral Dilemmas | 20 | XP + philosophy points | Enriches the worldbuilding |
| Hippokrates’s Patients | 22 | XP + healing perks | Practical bonuses |
| Aristophanes’s Comedy | 21 | XP + humor | A lighthearted detour |
Chapter 4: Sparta#
Main Quest List#
| # | Quest | Level | Content | Key Choice |
|---|---|---|---|---|
| 1 | Return to Sparta | 28 | Return to your homeland | — |
| 2 | Reunion with Mother | 29 | Meeting Leonidas | Tone in conversation |
| 3 | The Kings of Sparta | 30 | Audience with the kings | Support or oppose |
| 4 | The Truth About Nikolaos | 32 | Learn your foster father’s truth | Kill or spare |
| 5 | Stentor’s Challenge | 34 | Duel with your step-brother | Defeat or let him go |
| 6 | The Lakonia Contest | 35 | Arena competition | — |
| 7 | The Family Choice | 38 | A key family decision | Shapes the ending |
Recommended Side Quests#
| Quest | Level | Rewards | Why Do It |
|---|---|---|---|
| Spartan Warrior Training | 28 | XP + warrior skills | Strengthen a warrior build |
| The Secret of Therapne | 30 | XP + historical lore | Historical immersion |
| Mount Taygetos Quests | 32 | XP + rare resources | Resource stockpiling |
Chapter 5: Hunting the Cult Across Greece#
Cult Hunting Order#
| Order | Member | Level | Region |
|---|---|---|---|
| 1 | The Fates | 6 | Kephallonia |
| 2 | Zeus Ares | 22 | Korinthia |
| 3 | Zeus Athena | 25 | Phokis |
| 4 | The Fallen | 12 | Attika |
| 5 | The Colonist | 12 | Kephallonia |
| 6 | Zeus Artemis | 32 | Argolis |
| 7 | The Tyrant | 30 | Korinthia |
| 8 | The Sickle | 13 | Phthiotis |
| 9 | Child of Darkness | 12 | Kephallonia |
| 10 | The Cyclops | 4 | Kephallonia |
| 11-20 | Other members | 25-50 | Various regions |
| 21-24 | High-level members | 35-50 | Various regions |
| 25 | Aspasia | 50 | Delphi |
Chapter 6: The Finale#
Final Quest Line#
| # | Quest | Level | Content | Key Choice |
|---|---|---|---|---|
| 1 | Tracking Deimos | 45 | Track Deimos to his location | — |
| 2 | The Cult’s Final Judgment | 48 | Confront Aspasia | Kill or let her go |
| 3 | The Final Family Reunion | 50 | The last showdown with Deimos | Believe or refuse |
| 4 | The Gates of Fate | 50 | The final choice | Shapes every ending |
| 5 | A New Journey | 50 | Ending cutscenes | — |
Recommended Post-Game Content#
Once the credits roll, Greece still has plenty to offer — here is a sensible order for wrapping things up.
| Order | Content | Reason |
|---|---|---|
| 1 | Clear remaining collectibles | Reach 100% |
| 2 | Defeat all the mythical bosses | Earn legendary gear |
| 3 | Defeat all the Zeus champions | Unlock the title |
| 4 | Play the Legacy of the First Blade DLC | Learn the Hidden Blade’s origins |
| 5 | Play The Fate of Atlantis DLC | The ultimate Isu content |
| 6 | Try New Game+ | Experience different choices |
Tip This walkthrough is a suggested route, but Assassin’s Creed Odyssey allows a high degree of free exploration. You can step away from the main story to explore the world at any time and progress at your own pace. The guide is only a reference — enjoy your own Odyssey!
Side Quest Recommendation List#
By Region#
| Region | Recommended Quest | Level | Rewards |
|---|---|---|---|
| Kephallonia | Phoibe’s questline | 5-8 | Friendship + XP |
| Phokis | Sokrates debates | 12-18 | XP + worldbuilding |
| Attika | Perikles’s banquet | 18-25 | Political intel |
| Lakonia | Spartan warrior training | 28-35 | Warrior skills |
| Elis | Arena challenges | 24-36 | Legendary gear |
By Reward#
| Quest Type | Reward Focus | Rating |
|---|---|---|
| Legendary weapon quests | Unique legendary weapons | ★★★★★ |
| Set collection quests | Set pieces | ★★★★★ |
| Romance questlines | NPC relationships + special dialogue | ★★★★☆ |
| Historical figure quests | Worldbuilding + XP | ★★★★☆ |
| Local dispute quests | Drachmae + XP | ★★★☆☆ |
Combat Difficulty Curve#
| Level Range | Difficulty | Main Challenge |
|---|---|---|
| 1-10 | Easy | Learning the basic controls |
| 10-20 | Moderate | Enemies start using special attacks |
| 20-30 | Moderately hard | Gear and build synergy matter |
| 30-40 | Hard | Elite enemies grow stronger |
| 40-50 | Very hard | A complete build is required |
| 50+ | Depends on your build | Good builds make it easy, poor ones make it hard |
Chapter-by-Chapter Walkthrough Tips#
Chapter 1 Tips#
| Tip | Explanation |
|---|---|
| Finish Phoibe’s side quests first | Unlocks key dialogue and extra rewards |
| Upgrade your weapons before setting sail | Avoid struggling in early fights |
Chapter 2 Tips#
| Tip | Explanation |
|---|---|
| Solve the Delphi stelae first | The easiest engraving source early on |
| Track Cult clues promptly | Saves you a return trip later |
Chapter 3 Tips#
| Tip | Explanation |
|---|---|
| Talk to everyone at Perikles’s banquet | One banquet opens up several side quest hooks |
| Clear your Athens bounty quickly | Keeps mercenaries from disrupting the story |
Chapter 4 Tips#
| Tip | Explanation |
|---|---|
| Weigh the Nikolaos choice carefully | Kill or spare directly affects the family ending |
| Combine Mount Taygetos quests | Complete several objectives in one trip |
Finale Tips#
| Tip | Explanation |
|---|---|
| Max out gear level before the final battle | Stay at or above the recommended level |
| The final choice shapes the ending | Use saves to experience different branches |
Hidden Content in Each Chapter#
| Chapter | Hidden Content | Hint |
|---|---|---|
| Kephallonia | Hidden shipwreck | Northeast shallows before you set sail |
| Phokis | Delphi Tomb | Entrance directly beneath the Oracle’s temple |
| Attika | Acropolis secret passage | Gap behind the Parthenon |
Ending Branches at a Glance#
| Ending | Key Choice | Condition |
|---|---|---|
| Good ending | Spare Nikolaos and save Stentor | The whole family reunites |
| Bad ending | Kill Nikolaos | The family is broken |
| Loner ending | Reject every family member | You set off alone |
Speedrun Route Suggestions#
Main Quest Priority Order#
| Order | Content | Notes |
|---|---|---|
| 1 | Kephallonia main quests | Push through until you set sail |
| 2 | Lock in Cult clues | Identify your hunt targets early |
| 3 | Advance the faction storylines | Progress by recommended level |
| 4 | Wrap up the Cult hunt | Save it for the end |
Tip This walkthrough is a suggested route, but Assassin’s Creed Odyssey allows a high degree of free exploration. You can step away from the main story to explore the world at any time and progress at your own pace. The guide is only a reference — enjoy your own Odyssey!