Portal is a 2D fan-made puzzle game based on the universally acclaimed video game series of the same name made by Valve. Is it as good as the original game? Yes, it is!
Attention! This is a Flash (SWF) game. Flash has been discontinued since January 2021 and is no longed supported by modern browsers. In order to play the game, you need to download and install CleanFlash Installer, that is a free standalone version of Flash Player, and Waterfox, that is a free browser based on Mozilla Firefox with built-in Flash support. After you install both of them, open Waterfox and play any Flash game you want.