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Portal 2 mod Thinking With Time Machine now available on Steam

Steam's Portal 2 Workshop is filled with unique twists on the space-bending puzzler's central mechanic. With such creativity lurking in the primordial soup of the Workshop, it would take something special to crawl out and into the main Steam storefront.

That something is Thinking With Time Machine, and it fits the bill for two reasons. Firstly, it introduces a new time recording mechanic, in which you can replay your actions to create a temporary clone in-level. Secondly, it lets you look at your legs.

I've only made it through the first tutorial section so far, but already it looks to dramatically expand the complexity of the original game. Despite some wonky sections, the time machine device is an excellent creation—giving a full picture-in-picture replay of the actions that you've recorded.

Over the weekend, plenty of bugs were reported, but it seems that today's patch has fixed many of them. If not, you can find workarounds to the most common issues with this forum thread .

You can grab Thinking With Time Machine from Steam . While the mod is free, you'll still need Portal 2 to play it.

Phil Savage

Phil has been writing for PC Gamer for nearly a decade, starting out as a freelance writer covering everything from free games to MMOs. He eventually joined full-time as a news writer, before moving to the magazine to review immersive sims, RPGs and Hitman games. Now he leads PC Gamer's UK team, but still sometimes finds the time to write about his ongoing obsessions with Destiny 2, GTA Online and Apex Legends. When he's not levelling up battle passes, he's checking out the latest tactics game or dipping back into Guild Wars 2. He's largely responsible for the whole Tub Geralt thing, but still isn't sorry.