Medival zone defence

You are the knight dude. The king dude is what you are trying to protect. controls...
Arrow keys to move, space to attack and the following to switch weapon.
1= sword.(fast)
2=spear.(long/spins but slow)
3=boomarang.(lot of spinny,spinny/range but small)
4=Thunder-hammer.(damage radius/lightning damage but really slow)
So yeah! Enjoy...