Portal Walkthrough and Guide
Welcome to the Portal Walkthrough where our team of contributors will help you work through the game via a step-by-step tutorial. A Gamewise walkthrough aims to take you all the way through the game to 100% completion including unlockable quests and items.
If you are stuck on something specific and are unable to find any answers in our Portal Walkthrough then be sure to ask the Portal Forum / Community for help and advice in the discussion box below and they will get back to you as soon as possible with an answer!
Finally, if you have been playing Portal and wish to help other users, feel free to sign up and start contributing!
Portal is a story-driven puzzle game, developed by Valve and released as part of The Orange Box and stand-alone for Microsoft Windows, Mac OS, Xbox 360, and PlayStation 3. A sequel, Portal 2, was released in 2011.