alt attack doesn't really work. it was meant for melee weapons to do an alternate animation, but instead of letting you choose which attack it just randomly selects one.
Yeah, there's no built-in alternative attack in RF. There's only an alternative attack animation.
However, with scripting an alt attack is fairly easy to do. Providing, of course, that you have scripted weapons and perhaps a completely scripted player.
I don't think so. I haven't come across one.
Maybe in one of the demo games...
Speaking of which, I may release a little demo in the near future. It has scripted weapons and stuff, so you get to see how I've done it.
I'll post more about it in my game thread when the time comes.