Complete the opening level on any difficulty
Complete every optional defense level on any difficulty
Complete all campaign levels on Hard difficulty
Complete all campaign levels on Extreme difficulty
Complete all skirmish levels on any difficulty
Complete all skirmish levels on Extreme difficulty
Kill 100 horrors during campaign
Kill 1000 horrors during campaign
Kill 10000 horrors during campaign
Kill 5 Sirenas during campaign
Earn the highest Expedition rank during campaign
Complete 'the Forest Garrison' on any difficulty
Find a familiar backpack...
Discover a lost page from an ill-fated expedition
Discover all lost pages from Aura's expedition
Complete a city-building level on Hard without losing any units
Complete an optional defense level on Medium or higher without using Stone pieces
Complete a city-building level with at least one building of each type
Reach maximum Prosperity in a city-building level
Have 55 units at your command during a city-building level
Deploy a unit 25m from the ground
Pet Hermes 10 times
Complete 'Lost Pages' on any difficulty
Acquire one skill for Iris and one upgrade for the Citadel using the Book of Insight
Acquire all Citadel upgrades from the Book of Insight
Acquire all skills for Iris from the Book of Insight
Place 150 stone pieces
Place 1000 stone pieces
Place 5000 stone pieces
Lose any level during campaign
Create and save a level in Creative Mode
Create a squad of Hogardian units with at least one unit of each type
Summon 15 echoes during a level
Complete 'Downpour' on any difficulty
Witness Iris return to the Citadel from the brink of death
Kill 50 horrors under collapsing pieces
Lose a soldier to a fall into the Depths
Complete a city-building level without pausing
Complete 'the Defense of Hogar' on any difficulty
Complete 'Into the Depths' on any difficulty
Complete 'Memorial' on any difficulty
Complete the final level on any difficulty
Complete an optional defense level on any difficulty