"This small valley, that seems to have gone unnoticed by the infected, sits deep in the forest. In this region you can build a large colony without risk of being infected. Build a large colony, saving the space and resources to succeed. However, although there are no infected in the region, we have detected a colossal swarm coming from the mountains that is 40 days away from this place. You have a lot of time to fortify the colony and prepare your army to face the swarm, but do not get overconfident..."