Lemmy seems like the right place to ask this. Personally I’ve really enjoyed Gurgle, which is a FOSS Wordle clone app.

  • @[email protected]
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    fedilink
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    291 year ago

    A little different from many of the things mentioned, but…

    • Tales of Maj’Eyal - an open source Roguelike with a ton of content. There are paid expansions but the engine and base game are FOSS.
    • 0 A.D. - AOE-like
    • Battle for Wesnoth - a really fun TBS
    • gzdoom + freedoom - while the assets aren’t quite on par with the commercial Doom assets, this will allow you to play through any Doom mod/TC