Discover all lost pages from Aura's expedition

Complete all campaign levels on Hard difficulty

Complete all campaign levels on Extreme difficulty

Complete every optional defense level on any difficulty

Acquire all Citadel upgrades from the Book of Insight

Acquire all skills for Iris from the Book of Insight

Complete all skirmish levels on any difficulty

Complete all skirmish levels on Extreme difficulty

Discover a lost page from an ill-fated expedition

Complete an optional defense level on any difficulty

Complete the opening level on any difficulty

Complete 'the Forest Garrison' on any difficulty

Complete 'Lost Pages' on any difficulty

Complete 'Downpour' on any difficulty

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 a city-building level on Hard without losing any units

Reach maximum Prosperity in a city-building level

Complete a city-building level without pausing

Complete a city-building level with at least one building of each type

Have 55 units at your command during a city-building level

Create and save a level in Creative Mode

Kill 5 Sirenas during campaign

Earn the highest Expedition rank during campaign

Acquire one skill for Iris and one upgrade for the Citadel using the Book of Insight

Witness Iris return to the Citadel from the brink of death

Complete an optional defense level on Medium or higher without using Stone pieces

Find a familiar backpack...

Create a squad of Hogardian units with at least one unit of each type

Kill 50 horrors under collapsing pieces

Kill 100 horrors during campaign

Kill 1000 horrors during campaign

Kill 10000 horrors during campaign

Lose any level during campaign

Pet Hermes 10 times

Summon 15 echoes during a level

Place 150 stone pieces

Place 1000 stone pieces

Place 5000 stone pieces

Deploy a unit 25m from the ground

Lose a soldier to a fall into the Depths