Ehmm...
I find it... based on luck. Like, you just kind of... HOPE to win... so...
I'd like a game that actually depends on me to win. Because... isn't that the point of a game? I find this more of a less-entertaining gamble.
I'm sorry, but I'm really not sure this concept is going to work, unless you put in definite game mechanics. Like maybe a shot that fires only in one direction? Or maybe keep the multiple-direction, but make the shots more definite. Like, 50/50 chance of avoiding it?
Not really sure what you can do, but maybe make it more of a game than a play of luck with some interactive properties.