Portal 2's dedicated community creates maps & mods thanks to Valve's modding support. Popular user-generated content includes single-player and co-op maps for varying challenges. Community favorites ...

Portal 2's map editor DLC has received a release date from Valve. Titled the 'Perpetual Testing Initiative', the DLC will be available for PC and Mac on May 8. The free download features tools that ...

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Portal 2 fan-made maps have been downloaded more than 1.3 million times in just two days, Valve has revealed. More than 35,000 maps have been created by fans in the two days since the launch of the ...

GameSpot may get a commission from retail offers. A new Portal 2 update--coming about a decade after the game's release--has removed a file size limit for user-created Steam Workshop maps. This change ...