Portal 2 maker punts Portal 2 making pack
Take puzzles to a new level
Game developer Valve has launched the Portal 2 Authoring Tools beta, so avid designers can get their hands dirty creating their own custom maps of the game.
The kit, which includes the setup that Valve used to make Portal 2, allows users to create singleplayer and co-op maps as well as 3D models, sound effects and music.
Available as a free download for those with a PC version of Portal 2, the Portal 2 Authoring Tools beta can be found under the 'Tools' tab in Steam. ®
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