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There are still people making new works of interactive fiction, including in the parser-based style of Adventure or Zork. You can find a lot of the more recent games on IFDB[0] and general info about IF and the community on IFWiki[1]. Most modern parser games are built for VMs with interpreters available for many operating systems and types of devices, with Lectrote[2] being a common recommendation for desktop platforms.

[0]: https://ifdb.tads.org

[1]: http://ifwiki.org/index.php/Main_Page

[2]: https://github.com/erkyrath/lectrote

The games are still being made, and are very high quality.

Once every few years I go to http://xyzzyawards.org and play the winners.

Without first checking, I can confidently say you'll probably be able find a good modern interactive fiction game on itch.io.

There was one called Disco Elysium a couple years ago that made quite a few waves (but more graphical obviously)