"Walls are a basic and effective form of defense best suited to protecting valuable targets such as resource storage, HQ, and turrets."
|Level 1||Level 2||Level 3||Level 4||Level 5|
- Defensive Strategy
- Offensive Strategy
- Upgrade Differences
- Level 1 Walls appear as big permacrete blocks.
- Level 2 Walls add black slabs on top and reinforcement to the sides.
- Level 3 Walls lift the walls up and adds a black slab underneath the walls.
- Level 4 Walls overhauls the design completely to a rounded permacrete block.
- Level 5 Walls reinforces the walls with extra permacrete to the sides.
- Level 6 Walls