PORTAL, the classic video game, is also available in the free, Flash version! You’re locked in a huge lab and someone who operates the lab left you this message:

“It’s finally time for your physical test, subject 15837. The ASHPD in now in your hands. Show us what a motivated test subject can do. Prove us you’re legitimate for the job. Think with portals!”

You have to use the Portal Gun to set up portals and teleport yourself so that you find exit on every level. Avoid dangers and deadly traps. Good luck!

Game Controls: Arrow Keys – Walk. Mouse – Open a portal. Q – Open Blue portal. E – Open Orange portal. ESC – Restart game