The Lost Treasures DLC is a DLC for Galactic Civilizations III that was released 7/27/2016. The main feature of the DLC are new colonization events that unlock new improvements and ship components, depending on the ideological choice.
Description[ | ]
Guide your empire into a new age of prosperity as you handle brand new unexpected events and challenges.
Features[ | ]
- New colonization events: As you colonize planets, new colonization events will challenge your people and your integrity. Each new event provides new ideological choices that may award unique planetary improvements and ship components. Some of these events appear later in the game, so keep your eyes open!
- New improvements: During your explorations, you will uncover new and unique planetary improvements that may function differently based on your ideological choice. Choose wisely - you can only build one improvement of each type per empire!
- New ship components: Discover dozens of new and powerful ship components like the
Ancient Singularity Cannon, 
Subspace Splinter, and the Hyper Gate Core. Your ideological choice may affect how these new components work on your ship. Work fast against your enemies - each of these ancient treasures is unique and you can only have one in a fleet at a time.