"In the middle of the Great Desert there is an almost heavenly place bathed by the waters of an underground lake. It is the perfect location to establish a prosperous colony that connect with the remote colonies of the South. Furthermore, in this region there are neither infected nor swarms nearby to worry about for the foreseeable future. However, you may know by now that in these cursed lands tranquility doesn't last forever. Our scouts have detected a distant swarm that will take more than a month to reach the colony. Get your defenses ready will all your arsenal before their arrival."
This level, unlikely, is a real challenge, for limited resources and no choke points to defense. It is recommended to save Stone for Shocking Towers to cover all corners, and save a large army to prepared for swarm wave.
| Difficulty ⇅ | Swarm arrives at ⇅ | Time limitation ⇅ |
|---|---|---|
| 25% | day 72 | 90 days |
| 50% | day 66 | 83 days |
| 100% | day 60 | 75 days |
| 200% | day 57 | 72 days |
| 300% | day 52 | 66 days |
| 500% | day 48 | 60 days |
| 800% | day 48 | 60 days |