Cave Excavation is required to expand XCOM headquarters, allowing for additional facilities to be built.
In-Game Description[]
| “ | The XCOM project's headquarters are currently situated deep underground. After building multiple facilities, it will become necessary to evacuate further. Please note: As excavations reach deeper beneath the base, the cost of these expansions will increase accordingly. | ” |
– XCOM Database, XCOM: Enemy Unknown | ||
Facility Requirements[]
Prerequisites: Adjacent building square that has been excavated.
Time to Build: 5 Days
Facility Maintenance: None
There is no difference in the cost of excavation between game difficulties.
| Level | Cost |
|---|---|
| 1 | §10 |
| 2 | §20 |
| 3 | §40 |
| 4 | §80 |
Gallery[]
Excavation site
A thermo excavation site permits the construction of a Thermo Generator