The Last Frontier: Castle Defense

You will find yourself in a medieval parallel world in which Dark forces are taking over humanity, and are about to capture the last castle. You are asked to help in confronting the enemy. It is necessary to restrain the defense with the help of combat towers, with their own characteristics and weaknesses, among which there are both ordinary combat towers and magic ones. I will use all possible means, you need to protect the last frontier.

If you are defeated, you gain the experience gained during the battle with the Dark Forces, and with the help of magic you go back in time, at the moment when you first appeared in this world, but with the acquired experience and skill.

Crease your combat power, become stronger to last as long as possible.