Didn't you find Portal 2 maps challenging enough? Well now you can make your own - Valve has released beta Authoring Tools for Portal 2. As well as single-player and co-op maps, you can use the tools ...

If you are a Portal 2 fan, you might be pleased to know that Valve has just released a set of Portal 2 Authoring Tools in a Beta release. This is a version of the ...

GameSpot may get a commission from retail offers. In the Portal games, the rogue AI GLaDOS gets her kicks by putting players through a series of deviously designed test chambers. Valve is giving ...

Valve have announced on their official Portal 2 blog that they're opening up a beta of the Portal 2 Authoring Tools to everyone. If you own a PC version of Portal 2, you'll be able to download the ...

Valve is planning to share a modified version of its Portal authoring tools with schools, allowing them to teach physics in a fun and engaging way.

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Valve's released the Authoring Tools kit for Valve 2, enabling you to make your own levels for the game. The tools included in the kit allow you to create any type of mod for the game: single-player ...

The same tools were used to make the game itself, and will allow makers to create their own singleplayer and co-op maps etc. Ever wish you could make your own maps and design your own puzzles in ...

If you fancy making your own maps, models, skins, or other exciting new things for Portal 2, you can now get cracking as Valve has released a beta version of the first-person puzzler's PC mod tools.

Valve has made the beta Portal 2 Authoring Tools available for free for owners of the PC version of the game. Downloadable through the Tools section of Steam, Valve has said that the kit will include ...