It appears to be a large space base with a highly-technological tunnel and a room covered with glass. The top base is highly-technological. There is also a balcony, and a top floor. There is also an enemy, which doesn't attack: It is the Robot Drone.
It is used to tremendously increase the chance of ignored damage.
It replaces the original Fort with the martian colony.
- It looks like the full upgrade of the Space Base and the successor of the Spaceport.
- This base has a windmill, but it doesn't appear in the base's image that is in the Craft Items Menu.
- For unknown reasons, bases like the Martian Colony cannot be removed.
- Out of all the bases that tremendously increase the chance of ignored damage, this once has the highest-quantity requirements, the cost being 3.6K , the building time being 6 days and the level requirement being 62.