The games haven’t changed since the 1980’s, but the delivery mechanism is pure 21st century. Zork, (and Zork II & III) are now playable using an AIM compatible client. In addition, many other Infocom adventure games are available, including Planetfall and The Hitchhikers Guide to the Galaxy. You can even save and restore previous games! Waxy.org has more details and a partial transcript of a game session. A nice blending of technologies!
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