I personally love Naev and Mindustry

  • drcouzelis
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    9 months ago

    Doom, or, gzdoom! You can use it to play the original Doom 1 and 2 games with modern mouse and keyboard controls on HD displays. And there’s an endless number of fan made level packs to try.

    As for open source AND free / open resources, there’s Freedoom 1 and 2. I occasionally play them, they’re fun, but a little lacking in stage design.