| Origin: | Raid Of The Nords |  (5%) |
| Need a patent construction: | NO |
| Population Limit: | +50  |
| Size building: | 2×2 field |
| Can trade: | YES |
| After the demolition returns to star menu: | YES |
UPGRADING:
Upgrade Cost ( or  ) |
Upgrade Time | Population | Total | ||
| Level 1 | – | – | 00:40 seconds | – | 50  |
| Level 2 | 7 |
813 |
04:00 hours | +20 |
70 |
| Level 3 | 11 |
1.278 |
06:00 hours | +20 |
90 |
| Level 4 | 15 |
1.742 |
08:00 hours | +20 |
110 |
| Level 5 | 20 |
2.322 |
12:00 hours | +20 |
130 |
| Level 6 | 26 |
3.019 |
16:00 hours | +20 |
150 |