You only have two portals, you can fire multiple times each. One is red/orange, other is blue. If you re-fire after a landing portal, your currently set portal will disappear if its the same color. So, what would you do with a Portal Gun?I'll start with a few examples...Shoot one portal in a tornado, one in a rainbow.CREATE TORNAINBOWPut portal on your stomach. Put other portal on a wall.ENTER YOURSELFPlace one blue portal in China. Place orange portal in US.CONVINCE LITTLE KIDS YOU DUG A HOLE FROM THE US TO CHINAPlace Blue on one end of building, place orange on the ground. Throw a toaster through orange.ACCOMPLISH NOTHING!