If you are a big fan of 2D fighting games a la Street Fighter II, and if you are a big fan of Broadway musicals, then perhaps you'd like Arm Joe, the 2D fighting game based on "Les Miserables." And yes, there's a download link.
Above: I think this is Eponine using her fire-summoning attack on Marius. You go, girl!
If anyone else is inclined to turn musicals into fighting games, may I humbly suggest "West Side Story?" ("Press X to snap fingers!")