Cotrol:
Click, hold ad drag the mouse cursor or WASD/arrow keys to move the scree.
Use scroll wheel or key +/- to zoom / zoom out the scree.
-1,2,3 – spells
-space – speed up/ dow
-eter – start the wave

You are in charge of defending the tower. Monsters are on the way and you need to keep them back. You must protect the portal to our world from the monsters attack.