
Cost of the 1st level:
CRP 2 Designed to control the Red Droids that extract metal. It is a shelter for 5*1.45^level droids. Only droids hiding in the Nexus, cannot be destroyed during the attack.
During the attack of Nuclear missile a part of droids are killed by the radiation.
During the attack of Nuclear missile a part of droids are killed by the radiation.
Comparison by level
| Lvl | Production of metal | Energy production | Hidden droids |
| 1 | 14 | 52 | 7 |
| 2 | 48 | 121 | 10 |
| 3 | 101 | 210 | 15 |
| 4 | 169 | 325 | 22 |
| 5 | 253 | 472 | 32 |
| 6 | 352 | 657 | 46 |
| 7 | 464 | 890 | 67 |
| 8 | 591 | 1180 | 97 |
| 9 | 730 | 1540 | 141 |
| 10 | 883 | 1985 | 205 |