out. 90% of the players will play unexploitable strategies so it will be an n-way coin flip where n > 30. Bleh.
On a side note, in college a friend of mine made a RPS game in about 5 minutes that could just destroy humans. It had about 50% wining throws v. everyone who played it. (They could get to even using DeBrolie sequences for their throws)
Also, ther is an RPS game at
Shotgun Rules that you can practice at.