arrow keys to walk space bar or press to shoot gun point at mouse 1 key to switch to pistol 2 key to switch to machine gun press the ammo sprite or 'b' to buy ammo press the machine gun sprite or 'g' to buy a machine gun purchase things with scores
Updates: v.2.0 ammo will run out you can buy them v.2.1 add title screen and end screen v.2.2 can buy ammo by pressing 'b' v.2.3 machine guns are not free anymore, buy machine gun by pressing the machine gun sprite or 'g' v.3.0 add mega zombie v.4.0 arrow keys to walk gun point at mouse v.4.1 machine gun is cheaper v.4.2 you can press to shoot v.4.3 have hiscore
