Best Roguelike Trainbuilder? (Surprisingly Great)- Choo Choo Defenders

Nathan and Ryan play the first three levels of the Choo Choo Defenders Demo. From the Game's Steam Page: In this on-the-rails take on tower defense, build your railroad through monster-infested lands, load up your train with specialized wagons, and fight to keep the line open while delivering passengers and cargo for firepower and profit. The Choo Choo Defenders Demo lets you play the first world (six levels) of Choo Choo Defenders!