- HOW TO PLAY - 1) Portals Use the Q key to place the blue portal Use the E key to place the orange portal Walk through a portal to use it * You need the portal gun or dual portal gun to place portals * You can only place them on certain surfaces 2) Cubes and other Items Use F or Click to grab, and do it again to drom them 3) Turrets Enter the area of sight to be attacked, it's marked with a lazer beam coming out of the turret You can grab the turrets 4) Fizzlers When you pass though them they can close your portals and "Fizzle" objects (Desintegrate them) 5) Energy Balls Use the portals to redirect the energy balls, they can frizzle turrets SPOILER AREA AHEAD 6) Rocket turrets They follow you for a period of time and then they shoot a rocket, you can redirect the rockets 7) Sphere Cores Grab them and trow them in the fire to damage GLaDOS
