Type: Mine
Purpose: Increase crystal production
Upgrade: Increases crystal mining speed
The Crystal Extractor uses nanotechnology to increase crystal production. It is capable of retrieving smaller crystal particles from the soil transported from crystal fields. Each building level increases the amount of retrieved crystal and the efficiency of all crystal mines in a city.
required buildings
Command Center at level 15Crystal Field at level 12
building cost at level
level |  |  |  |  |
1 | 58.2 K | 36.4 K | 14.6 K | 0:14:12 |
2 | 106.0 K | 66.2 K | 26.5 K | 0:20:09 |
3 | 192.9 K | 120.6 K | 48.2 K | 0:28:37 |
4 | 351.1 K | 219.4 K | 87.8 K | 0:40:39 |