Portal: Forbidden Testing Tracks on Steam

Portal: Forbidden Testing Tracks invites you to delve into an exciting community-created modification for Portal 2. Step into the shoes of Rachel as she embarks on a journey guided by the personality core named "SAIC," through the Forbidden Testing Track, Codename: "Quebeck Seven."

Portal 2 on Steam

Lake Street “L” – The Trolley Dodger

Portal Stories Forbidden Testing Tracks - Launch Trailer

give me test ideas, that's the post. : r/Portal

DevBlog: April 2021 – Rail Route

Steam Community :: Portal: Forbidden Testing Tracks

Steam Community :: Portal: Forbidden Testing Tracks

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Steam Community :: Portal: Forbidden Testing Tracks