Build towers and survive through 51 hardcore waves of aliens that heal themselves, haste other enemies, split into more enemies and freeze your towers.
You are a Railroad Manager who is responsible for a whole railroad network full of crossings and junctions, connected all stations and industries of the Railway Valley.
Conquer all provinces that you have to take by force in the battle. Manage the production of all resources, build settlements and upgrade them to unlock the troops.
The beasts have taken your people by surprise. Engage these enemies in battle in every region of your kingdom. If you have the fortitude, cunning, and resilience to overcome these beasts you will be victorious.
