I asked, and the answer is no, sadly. No hacked versions. Originals only. But you can use a Trak-ball with the original if you want.
I think that's fair, as the hacked version is a lot easier IMO.
Post here when you see a publisher offering a free game for a limited time!
I'll start us off with this one: Hitman 2 for free this weekend only:
http://www.pcgamer.com/hitman-2-silent-assassin-is-free-for-the-weekend/