Description: Your portal is being attack by incomming fans and all sorts of other nonsense and it is up to you to defend the portal form the evil doers. Shoot at the incoming fans and then at then once you earn enough points you can invest them into buying very cool weapon upgrades as well as other portal upgrade stuff. use your mouse to aim, press a to shoot with the upper gun and press s to shoot with the lower gun. As you advance through the levels the enemies become quicker and stronger, so make sure to invest into upgrades wisely as you will need them, Good luck portal guardian!
Tags: Portal Guardian
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