UPDATE: There is now a BigBog version of the applet at the link below. It makes the game actually playable without going through a bunch of hoops :-)
I've been working on a Java Applet customized to play Riskybus.
Here is a link to a prototype version of the applet:
You need a web browser that can run a recent version of Java.
I haven't really tested it much, so I'm sure it has lots of bugs. The interface could probably use some tweaks too. If you have a chance please check it out and give me feedback on what to fix or change :) I am hoping to get the kinks worked out and use this as a base for more GUI-based games that don't work so well in a straight text-based IRC client.