Portal 3 is nearly as mysterious and sought-after as the practically mythical Half-Life 3, as Valve, even after all these years, continues to withhold any and all official word on its iconic puzzle ...

"Have you heard of portals? What about copyright infringement?" When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The latest game in the ...

Flying through the air, through portals, and to higher platforms. After the player takes Wheatley to wake up GLaDOS in Portal 2, the tutorial of the game ends and the real tests begin. As GLaDOS ...