A free program for Android, by Griffon Game.

Cube Knight – Survivor Game is a free strategy game in which you are the warrior who will fight to save the world from the evil monsters. The evil monsters are after the same goal as you. They want to conquer the whole world. To fight against them, you will need to use your own weapons and power-ups. You will also have to decide on which skills you will learn and which weapons you will use.

The first thing you need to do is to choose your warrior. You can choose one of the four knights in the game. You will have to fight against all the enemies.