Realms gate

This ancient castle develops incredibly brutal struggle for survival. A whole army of vile monsters invaded the territory and wants to destroy everything around, only you the strength to change this situation. Confront the monsters you can use your towers, you only need to choose what and in what places they will stand. With each level you will be able to increase their number and characteristics, and it is necessary because each wave of enemy attacks will be much stronger than the previous one.