Text adventures provide some of us with our earliest computer game
memories. Click a link below to try out a game right now!
See the Interactive Fiction archive at https://www.ifarchive.org/. These
games are of the "Z-machine"
specification which are also called Infocom, Inform, and ZCode.
from Parchment on GitHub provided by IPlayIf.com.
The old Zplet Java Z-machine interpreter was from Zplet on SourceForge.
Activision's Infocom text adventure collections can be played in these
engines, too, including the very oldest Zork games.