Check this game out...
http://ancientbeast.com/ You can donate bitcoin... It would be awesome if you could bet on matches with it though.
Thanks for mentioning my game project. That's actually on our to-do list, not exactly sure how it will get implemented, but the idea was mentioned overall.
We need to get online multiplayer feature into the game first though. Ancient Beast is designed to be easy to learn, fun and extremely strategical, no luck based stuff.
duxZero, if you're interested in teaming up, we could get in touch pretty soon.