To celebrate the arrival of Steam on the Mac, Steam is offering Portal for FREE to all, no matter if you have a Mac or a PC. This is a must have game. Very addicting!
Portal is a single player game from Valve. Set in the mysterious Aperture Science Laboratories, Portal has been called one of the most innovative new games on the horizon and will offer gamers hours of unique gameplay.
Let me know what you think of Portal after playing it.