There are quite a few quests in Titan Quest. If you see a person with an exclamation mark above their head, then you can speak with them to start or advance a quest.
There are 2 types of quests:
Main Quests: These missions tell the game's story. You must complete these to complete the game.
Side Quests: These quests are optional missions. There are many of them in each act. They have varied goals: kill unique monsters, speak with NPCs, deliver messages, etc.
Act I
- Act 1.1 A Troubled Village (Road to Helos)
- 1.1.1 Monstrous Brigands (Laconia)
- 1.1.2 The Cornered Man (Laconia Woods)
- 1.1.3 Medicines Waylaid (Laconia Hills)
- Act 1.2 Spartans at War (Village of Helos) (1 Skill Point)
- 1.2.1 The Lost Dowry (Laconia Hills)
- 1.2.2 The Ancient of War (Spartan War-Camp)
- 1.2.3 The Poisoned Spring (Village of Tegea) (+75 / +150 / +200 Health)
- Act 1.3 The Words of the Oracle (Spartan War-Camp)
- 1.3.1 Skeleton Raiders (City of Megara)
- 1.3.2 News of a Shipwreck (City of Megara)
- Act 1.4 The Source of the Monsters (City of Delphi)
- 1.4.1 A Proper Offering (City of Megara) (Resistance Bonus)
- 1.4.2 The Good Centaur (Ambrossos Farmlands) (2 Attribute Points)
- 1.4.3 A Master Blacksmith (Village of Ambrossos)
- 1.4.4 Goods Abandoned (Village of Ambrossos)
- 1.4.5 The Grieving Widow (City of Delphi)
- Act 1.5 The Battle for Athens (Pythian Caves)
- 1.5.1 Trapped in the Ruins (Kephisos Valley)
- 1.5.2 Spartans Lost (Kephisos Valley)
- Act 1.6 The Order of Prometheus (Athenian Battleground)
- Act 1.7 Under the Labyrinth (Athens Catacombs - Level V) (Second Inventory Bag)
- Act 1.8 The Blindness of the Gods (Room of the Conduit)
Act II
- Act 2.1 The Blindness of the Gods (City of Rhakotis)
- 2.1.1 The Family Heirloom (City of Rhakotis)
- 2.1.2 The Beast of Legend (Wadjet Canyons) (2 Skill Points)
- 2.1.3 Plight of the Nile Farmers (Village of Sais)
- 2.1.4 A Promethean Surrounded (The Lower Nile)
- Act 2.2 The Invocation (Memphis Plaza) (2 Attribute Points)
- 2.2.1 Lowest of the Low (Beggars Quarter)
- 2.2.2 The High Priest's Request (Memphis Plaza)
- 2.2.3 The Missing Brother (Memphis Plaza)
- 2.2.4 Khufu's Curse (Giza Plateau)
- 2.2.5 A Hidden Treasure (Fayum Oasis)
- 2.2.6 Caravan Woes (Fayum Oasis)
- Act 2.3 A Telkine in Egypt (Memphis Plaza) (2 Skill Points)
- 2.3.1 The Corrupted Priest (Temple of Seti)
- Act 2.4 The Sickle of Kronos (Temple of Seti)
Act III
- Act 3.1 The Sickle of Kronos (Temple of Seti) (Third Inventory Bag)
- Act 3.1 Hunt for the Sickle (Temple of Marduk, level 4)
- 3.1.1 The Seeds of Destruction (Babylon Outskirts)
- 3.1.2 A Gargantuan Yeti (Shangshung Village) (+100% Health for pets)
- 3.1.3 Mystery in the Mountains (Shangshung Village)
- 3.1.4 Caravan in Trouble (Natu La Ridge)
- 3.1.5 The Child and the Raptor (Village of Guanzhong)
- 3.1.6 Peng Problems (The Great Wall)
- 3.1.7 Stalker in the Woods (Village of Zhidan)
- 3.1.8 The Wealthy Collector (Village of Zhidan)
- 3.1.9 A Lesson in Despair (Jingyang Woods)
- Act 3.2 Journey to the Jade Palace (City of Chang'an)
- 3.2.1 The Emperor's Clay Soldiers (City of Chang'an) (2 Attribute Points)
- 3.2.2 Terra Cottas At Large (City of Chang'an)
- 3.2.3 Behind the Waterfall (Jinghe River Valley)
- 3.2.4 A General in Repose (Quinba Bamboo Forest)
- 3.2.5 The Hermit Mage (Village of Binxan)
- 3.2.6 Three Sisters (Qiyun Ascent / Jinghe Wetlands)
- Act 3.3 Under Wusao Mountain (The Jade Palace)
- Act 3.4 Olympus (Typhon's Prison)
Act IV
- Act 4.1 A Mysterious Message (Temple of Apollo)
- 4.1.1 A Crab Story (City of Rhodes)
- 4.1.2 An Impossible Task (City of Rhodes) (reward: an arcane formula)
- 4.1.3 The Torch-Lighter's Gauntlet (Coastal Asomata) (reward: an arcane formula)
- 4.1.4 Outpost in the Woods (Ixian Woods)
- Act 4.2 Medea's Price (Medea's Grove)
- 4.2.1 The Stolen Sigil (Medea's Grove)
- 4.2.2 The Wealth of Ancient Kings (Medea's Grove)
- 4.2.3 Lampido's Potion (Medea's Grove) (+Strength, +Health)
- 4.2.4 The Treasure Hunters (Tsakonian Ruins)
- Act 4.3 The Road to Hades (Medea's Grove)
- 4.3.1 Among the Ruins (Epirus - Refugee Camp)
- 4.3.2 A Dangerous Mission (Epirus - Refugee Camp)
- 4.3.3 The Enemy's Captain (Epirus - Refugee Camp)
- 4.3.4 The Stygian Lurker (The River Styx) (+Strength, +Intelligence, +Dexterity)
- 4.3.5 One Who Would Lead (The River Styx)
- Act 4.4 Judgment of the Living (New Road) (reward: an arcane formula)
- 4.4.1 Hades' Treasury (Lower City of Lost Souls - Hades Treasury)
- 4.4.2 The Dust of a Titan (Upper City of Lost Souls) (2 Skill Points)
- 4.4.3 Eurydice and Orpheus (Upper City of Lost Souls)
- 4.4.4 An Invitation (Upper City of Lost Souls)
- 4.4.5 The Necromanteion (Upper City of Lost Souls)
- 4.4.6 Admetus Among the Dead (Prisoner's Camp)
- 4.4.7 An Inside Source (Upper City of Lost Souls)
- Act 4.5 The Battle for Elysium (Hall of Judgment)
- 4.5.1 The Siege Striders (Aetolian Polis)
- 4.5.2 Flight of the Messenger (Aetolian Polis)
- 4.5.3 The Achaean Pass (Delian Meadows)
- 4.5.4 A Noisy Diversion (Argolis)
- Act 4.6 The Immortal Throne (Argolis)
- 4.6.1 The Shards of Erebus (Argolis)
- 4.6.2 Hades' Generals (Argolis) (+x% Total Damage)
Act V
- Act 5.1 Troubles of a New Age (City of Corinth)
- 5.1.1 Festivities (City of Corinth)
- 5.1.2 Sciron (City of Corinth)
- 5.1.3 A Northern Contact (City of Corinth) (Lesser Artifact)
- Act 5.2 The Warrior Princess (City of Corinth)
- 5.2.1 Heart to Stomach (Heuneburg)
- 5.2.2 White Gold (Heuneburg)
- 5.2.3 The Golden Sickle (Hercynian Forest)
- Act 5.3 The Power of Nerthus (Glauberg)
- 5.3.1 Wine from the Rhine (Rhine Valley)
- 5.3.2 The Troubled Son (Glauberg)
- 5.3.3 Celtic Plaid (Glauberg)
- 5.3.4 Little Friends (Weser Uplands)
- 5.3.5 The Trapped Nixie (Wild Heathlands) (1 Skill Point)
- 5.3.6 The Kornwyf's Scythe (Wild Heathlands)
- Act 5.4 Scandia under Siege (King Gylfi's Hall)
- 5.4.1 Giesel (Birch Forest)
- 5.4.2 Fir Cone Liquor (Shores of Scandia)
- 5.4.3 The Restless King (King Gylfi's Settlement)
- 5.4.4 The Magic Cauldron (King Gylfi's Settlement)
- 5.4.5 The Survivor (Birch Forest)
- Act 5.5 The Rescue (King Gylfi's Hall)
- 5.5.1 Dvergar History (Kaupangr) (2 Skill Points)
- 5.5.2 Squabbling Merchants (Kaupangr)
- 5.5.3 The Craftsman's Passion (Icthian Fjord)
- 5.5.4 Legendary Craftsmanship (Master Forge Chamber) (affix added to epic/legendary equipment)
- Act 5.6 The Wisest Being (Valhöll)
- Act 5.7 The Burning Sword (Mimer's Maze)
Atlantis
- Portal to Gadir
- Atlantis
- Gadir Outskirts
- Gaulos Wilderness
- Atlas Mountains
- Mud Shoals
Act VI
- A Strange Land
- The Root of the Problem
- Monkey Business
- A Book and its Cover
- The Council of Three
- Seeking An Audience
- Emperor Yao's Bell
- Love and Loss
- Lust for Jade