| Basic Fortifications | |
|---|---|
| Tier | 3 |
| Prereq | Basic Weaponry |
| Unlocks |  Simple Fence Wooden Trap Wooden Cage Wooden Spikes Ice Spikes[1] Beware Sign
|
| Leads to | Advanced Construction Fishing |
- For the tree with all technologies, see: Tech Tree.
See also[ | ]
References[ | ]
- ↑ Snow World only.