Just use Ukki's incredible Rubybox to mount any games or applications that you might have.

The latest version is here:
Rubybox

You might need to also download the supporting software called OS2008 Ruby Repo .install as well.

You can find that here:
http://pupnik.de/dosbox.html

Finally, here's a good tutorial on how to use Dosbox just in case you're interested.

Dosbox Tutorial