It seems like a good idea. But you're gonna want to have 6 active people at once doing it. Making it more of a "hey you all wanna play this credits game?" Rather than having anyone at any time playing it.
If it was another way where 6 people put in their credits and once 6 people have entered it runs there's no point. Just do the raffle.
Also eww taking ideas from LF no LF takes ideas from us