This article is from the netrek FAQ, by Tom Holub email@example.com with numerous contributions by others.
Not really. To be comfortable, you need 1024x768. The COW client has a
compile-time option to run in an 800x600 mode, but it cuts down the
amount of game space you can see on your tactical map. It would
theoretically be possible to play at 640x480, but you'd have to chop
things off pretty severely. Bottom line: get a better monitor.