Portal: Revolution is a free to play mod for Portal 2. This fully featured original campaign plays before Portal 2 in the dead and decaying Enrichment Center...
  • 2xsaiko@discuss.tchncs.deEnglish
    2·
    10 months ago

    How does it “feel official”? It’s just what a lot of mods do:

    • Portal: Prelude
    • Portal: The Flash Version (though this one is a standalone game)
    • Half-Life: Echoes
    • Half-Life: Caged

    These are just a few I can think of, you can find more on Steam and ModDB.