Rubble are ruins of buildings that have fallen doing the Great Cataclysm.
Small rubble forms naturaly over time and can be mined for small amounts of resouces and common items
- Small rubble 1: Takes 5 colonists, and 10 seconds
- Small rubble 2: Takes 8 colonists, and 30 seconds
- Small rubble 3: Takes 10 colonists, and 1 minute
Medium rubble is formed when there is a bunch of small rubble you have not removed yet have bunched up. This kind of rubble can be mined for larger amounts of resouces and uncommon items.
- Medium rubble 1: Takes up to 10 colonists, and 5 minutes
- Medium rubble 2: Takes up to 15 colonists, and 10 minutes
- Medium rubble 3: Takes up to 20 colonists, and 20 minutes
Large rubble is the largest rubble of them all. Taking the longest but offering the largest amount of resouces and rarer items
- 12 Large rubble: Takes up to 20 colonists, and 12 hours
- 24 Large rubble: Takes up to 40 colonists, and 24 hours
- 48 Large rubble: Takes up to 40 colonists, and 48 hours
- 72 Large rubble Takes up to 40 colonists, and 72 hours
- 96 Large rubble Takes up to 40 colonists, and 96 hours
- Special Rubble does not count in here because it's special rubble.