https://en.wikipedia.org/wiki/Colossal_Cave_Adventure

And the 2023 graphical remake (from Ken and Roberta Williams [King's Quest, etc.] no less):

https://colossalcave3d.com

It's a featured article on Wikipedia! (“This article appeared on Wikipedia's Main Page as Today's featured article on May 17, 2022.”)

Also there are many versions/implementations:

- https://www.ifwiki.org/Adventure#Versions

- https://mipmip.org/advfamily/advfamily.html

IFDB has tons of ports.

The Puny Inform version will run on every computer since the 70's with a ZMachine interpreter. Even the ZX, C64 with OZmoo and so on.

https://ifdb.org/viewgame?id=fft6pu91j85y4acv