A lot of games of this sort that are recent, are on itch.io, and possibly waiting for a Steam release. Iji, 5 Days a Stranger, Warning Forever) to the notable but possibly tied up with publisher complications (e.g. Seraph, a flash game) to older but pretty well-regarded indie games (e.g. These range from the obscure and probably not notable (e.g. * There's a variety of indie games that have never made it onto Steam. The other games I'm not sure about but I think they similarly have servers like these. But I'd strongly suggest playing it on the alt.org server because there's an existing playerbase/community there. There might be an implementation of Nethack on Steam, using one of the Vulture's packages for graphics. * the old classic roguelikes generally aren't on Steam.