Press the mouse on the left side red dot, and draw a line from the left side red dot to the right side red dot. Press the play button. Drag the gun with your mouse and place it above the creep's path. The gun shall not touch the path. Please see the figure below. Press the mouse to fire the gun. Some of the creeps are immune to the bullets, and they cannot be destroyed. If you kill 20 or more creeps in a level you go to next level. If the number of creeps in the castle exceeds a certain number the game ends. Maximum number of creeps allowed: level-1: 40, level-2: 35 and so on.

Ghosts have attacked on our society and you have assigned the job to kill the ghosts they are so scary and you have to kill them before small kids should see them.

Take down all the snipers with your mighty rifle. Good luck!

Kill as many zombies as you can, try the keys to open locked doors and find the exit! Remember to reload your gun with shippers that you will find around, otherwise you will find yourself without of ammo at the mercy of the zombies!

Protect you space from aliens for as long as you can before dying.