- Reach level 62, open the Technology menu and unlock Futuristic Structure Set for 2 Technology points.
- Collect what you need:
- Open the Build menu (B on PC), go to the Foundations tab, then Clean, and pick Clean Stairs. Place it inside your base.
Clean Stairs
Stairs placed below a foundation or roof to climb up.
Can be used to create clean, futuristic architecture.
How to build it
Everything you need
Every material for one Clean Stairs, down to raw materials. Tap a row to fold it.
Raw materials in total