Portal for PC
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The new world record for completing Portal clocks in at 8 minutes 31.93 seconds. Most of the video, titled "Portal...
One of the biggest challenges in teaching science, technology, engineering, and math is capturing the students’ imaginations long enough for them to see all of the possibilities that lie ahead.
As part of a games and learning initiative from Valve, Portal is being offered for free download via stream. If you don't already own the original Po
My name is Lance, and until about 48 hours ago, I had never played Portal. Not Portal 2, but the original Portal. I know what you're thinking: have y
Most people would be upset about massive glitches in their game. Speedrunners, however, are not usually those people. Exhibit A: The world's fastest
To celebrate Steam on Mac, Portal is free for a limited time.