Here is the full list of all 60 Dungeons 3 achievements.
Stop anyone from interrupting Thalya while she contaminates the water in mission “Ups and Downs”.
Complete the mission “The Storming of Dollaran” in less than 40 minutes.
Destroy all of the Hero camps in the mission “The Storming of Dollaran”.
Kill 100 Heroes in the mission “Light and Shadow”.
Sacrifice all of the Titans within 40 minutes in the mission “A Disturbance In The Force”.
Conquer all Graveyards in less than 25 minutes in the mission “The Ashspring Swamplands”.
Kill at least 30 Heroes with the “Thrasher” Trap in the mission “The Crossing”.
Find the two Obelisks in less than 25 minutes.
Save all of the Heroes Tanos wants to punish in the mission “Everything Has An End…”.
Don’t lose a single creature to Tanos in battle in the mission “Everything Has An End…”.
Complete the mission “Everything Has An End…”.
Complete the mission “A Disturbance In The Force”.
Never let Thalya's Life Energy fall below 75% during the ritual.
Complete the mission “Two Sides Of A Medal”.
Kill 30 Heroes using an Obelisk.
Complete the mission “Light and Shadow”.
Free Thalya in less than 45 minutes in the “Light and Shadow” mission.
Complete the mission “Baptism of Fire” without Thalya taking any damage.
Complete the mission “Baptism of Fire”.
Don’t let the Grave Golem’s Life Energy fall below 50%.
Complete the mission “I Am Your Father!”.
Complete the mission “I Am Your Father!” without the Dungeonheart taking any damage.
Sacrifice more Heroes than needed in mission “I Am Your Father!” – until the Narrator is satisfied.
Don’t lose more than 8 units in the mission “The Titan of Alphaas”.
Complete the mission “The Titan of Alphaas”.
Own at least 5 Banshees at the same time in the mission “The Titan of Alphaas”.
Complete the mission “Ups and Downs”.
Don’t lose a single creature to the water in the mission “Ups and Downs”.
The Ogre in the mission “The Hungry, Hungry Ogre” must not fall below 75% Life Energy.
Complete the mission “The Hungry, Hungry Ogre”.
Own more than 42 Barrels of Beer at the same time in the mission “The Hungry, Hungry Ogre”.
Complete the mission “Once Upon A Catapult”.
Kill 50 Heroes by Catapult bombardment in the mission “Once Upon A Catapult”.
Capture all of the Catapults in the mission “Once Upon A Catapult” in less than 30 minutes.
Complete the mission “The End of Yaina Overproud”.
Destroy every Arcane Tear in mission “The End of Yaina Overproud” within 60 seconds maximum.
Never let the Dungeonhearts Life Energy fall under 75% in “The End of Yaina Overproud”.
Complete the mission “The Storming of Dollaran”.
Get all of the bonus creatures in the mission “The Prince of Hell”.
Complete the mission “The Prince of Hell”.
Hold at least 7 Heroes in the Prison at the same time in the mission “The Prince of Hell”.
Don’t let Thalya's Life Energy fall below 75% during the mission “The Gehenna Stones”.
Complete the mission “The Crossing”.
Destroy at least 3 Hero tent camps during daylight in the mission “The Crossing”.
Own at least 15 creatures at the same time in the mission “The Battle of Steelsmith”.
Own 5 Gob-O-Bots at any time in the mission “The End of Burgers' End”.
Complete the mission “The End of Burgers' End”.
Don’t allow any deliveries to reach the city in the mission “The End of Burgers' End”.
The Dungeonheart must not fall below 50% life in the mission “The Battle of Steelsmith”.
Complete the mission “The Battle of Steelsmith”.
Complete the mission “The Ashspring Swamplands”.
Awaken at least 98 Undead in the mission “The Ashspring Swamplands”.
Complete the mission “The Gehenna Stones”.
Kill at least 15 Heroes using the Stones’ magic in the mission “The Gehenna Stones”.
Complete the mission “Twistram in Ruins” without losing more than 3 creatures.
Complete the mission “Twistram in Ruins”.
Collect a total of 1000 Evilness in the mission “Twistram in Ruins”.
Successfully complete the mission “The Shadow of Absolute Evil”.
Destroy 9 Heroes with Thalya's “Fire Bomb” in the mission “The Shadow of Absolute Evil”.
Don’t let the Shadow take any damage from light in the mission “The Shadow of Absolute Evil”.