16th Birthday Party

We need help too, my friend ally and I are having our 16th Bday party together this summer around july there will be about 30 people and I was jus looking for some good game ideas ( It will be boy/girl party ) we have no idea wht games we should do or what food we should get we r having it on a lake with lots of land space so we have some things to work with on choosing games so if u have any awesome ideas email me at... Blueeyed_angel94@hotmail.com...Thanx =)