SRRD is a hybrid of Strategy Railroad Logistics, RTS resources and base build, and Tower Defense. The setting is fictional, but with a historic middle 20th century feel. The First Release is available now as a set of single-player missions in Campaign I. For Campaign II there will be new features centered around a more interactive build-able world on each level. .
This is the Howitzer car, which has an indirect fire weapon with longer range than the other turreted railcar units.