Interesting idea, reminds me of Buckshot roulette. I tried to discern the pattern or at least force it someway with my choices but couldn't keep it up. I was able to last 6 rounds and died. Very atomspheric, art is pretty good. Would be cool if there are actual hints instead of only guessing -- could be at some sort of cost. Or maybe go the poker route where you try to figure out "tells" maybe.
Either way, you have an interesting setup here. Good work!