[digikata]

People are still creating new interactive fiction on range of old to modern engines. See "The Interactive Fiction Competition" http://www.ifcomp.org/ and look at past winners for a taste.

[fenomas]

Since you mention that, let me give a shout out to Violet, my vote for best short IF game of all time. Playable here:

http://pr-if.org/play/violet/

Takes maybe an hour or two to complete, `hint` if you get stuck.