Cataclismo

Complete every optional defense level on any difficulty

Acquire all Citadel upgrades from the Book of Insight

Complete all skirmish levels on Extreme difficulty

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

Create and save a level in Creative Mode

Complete 'the Defense of Hogar' on any difficulty

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

Complete 'Lost Pages' on any difficulty

Complete all campaign levels on Extreme difficulty

Complete the opening level on any difficulty

Complete 'Downpour' on any difficulty

Kill 5 Sirenas during campaign

Complete all campaign levels on Hard difficulty

Discover all lost pages from Aura's expedition

Discover a lost page from an ill-fated expedition

Reach maximum Prosperity in a city-building level

Earn the highest Expedition rank during campaign

Complete 'Into the Depths' on any difficulty

Witness Iris return to the Citadel from the brink of death

Acquire all skills for Iris from the Book of Insight

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

Complete all skirmish levels on any difficulty

Complete the final level on any difficulty

Complete 'Memorial' on any difficulty

Complete an optional defense level on any difficulty

Complete a city-building level on Hard without losing any units

Complete 'the Forest Garrison' on any difficulty

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

Complete a city-building level without pausing