More Portal 2 Development content: The Final Hours of Portal 2
If you like to sit through the developer content that Valve provide in their Portal games, than this may be just for you.
Portal 2 – The Final Hours is a digital book that is fully interactive. It allows you to go through the VALVe offices, and see Portal 2 through various stages of development, including character creation, storyline and Jonathon Coulter’s ‘Want You Gone’ song.
Steam reveals that the download allows you to discover the following:
- That Portal 2 actually began as a prequel to the first game without portals or GLaDOS.
- The Directed Design Experiments created after Half-Life 2: Episode 2, including video of a never-before-disclosed project, Two Bots, One Wrench.
- How the story of Portal 2 evolved during development. See images and read surprising details.
- How it worked with Jonathan Coulton to create “Want You Gone,” the closing song to the game.
Interactive Highlights Include:
- Play with portals in an interactive diagram where you learn how portals work.
- 360 degree panorama photos of the Valve office and design labs.
- Listen to the songs that inspired the Portal 2 development team.
- Hear Jonathan Coulton’s Portal 2 song in various stages of development.
- Puppet Wheatley in an interactive experience
- Destroy Aperture Science by wiping your fingers over the screen.
- Interact with fans and voice your opinion via polls and a feedback form.
Portal 2 – The Final Hours is available to download through Steam for £1.49 or through iTunes Store for $1.99 for iPad only.

