All the leaks for the Portal prequel F-Stop have been compiled into a playable game

This rough version is the closest thing to a release we’ll see.

By Jackson Chen Nov. 1, 2026 12:54 pm EST Gabe Follower/X Add Engadget on Google: Google Discover

There may be no hope of Valve's canceled prequel to the Portal series ever making it to an official release, but we can still get a taste through unofficial means. After another major leak, F-Stop is now fully playable thanks to community efforts that have compiled all the leaked data.