Random rate, where you take a picture of someone, guess there score and send it to
You could use it in LARPing, but once "combat" has begun, it's all done through the computer.
You could play 'tag'. A bunch of people that are going to be in an area sign up, one person is it, when they get close to someone else, then they are it. the last person it looses, the person the computer chooses to be it needs to be tagged again. I have it on good authority, My 10 and 8 year olds, that tag backs aren't aloud.
Same thing, only with hide and sneak.
and of course, Delta Apple..but I don't need to explain that one.