• and that is demonstrably false or they wouldn’t have let Portal Revolution release. if they were going to be litigious about the Portal IP, why would they DMCA Portal64 but not Revolution?

    Revolution is a mod for Portal 2 and requires the purchase of Portal 2 to play. Anyone who wants to play it has already given money to valve, or needs to. Revolution Is great for Valve, they do basically nothing and get they more sales of Portal 2. Portal64 does nothing for Valve.

    There is a very clear incentive for Valve to not only allow but boost Revolution.

    While Valve permits Revolution, a game that benefits the company, it does not imply they would also permit Portal64, a game that lacks benefits for Valve.

      • Portal64 required you to have access to one file from portal 1, portal_pak_000.vpk. It’s trivial to get that file. Either via google, or purchasing Portal, extracting the file, then getting a refund.

        Revolution requires a continuously working copy of Portal 2.

        It’s significantly easier for the general population to play Portal64 without giving money to Valve than Revolution.