One might perhaps say that. Take a look at the Wiki article on
Zork for an example of what IF looks like.
You can play Zork online at:
http://thcnet.net/zork/index.php
Gives an indication of what those of us who grew up in the '80s on text adventures used to consider "state of the art"

. It's perhaps difficult for some of us to appreciate the fact that many MR members will have never come across them. They really were a "staple" of '80s home computers, but some MR members won't even have been born when their popularity was at its height in the mid 80s.