What food should I have for my party?

Ok so i'm havin a party tomorrow night for about 35-50 people at my house. I already got the drinks picked out for the party but i aint knowin what food to have. I want to have snacks, appetizers, and a main course. I want the main food to be meat like maybe hamburgers or chicken or sumthin like that cuz there aint gonna be kno vegetarians at my party. Also i want the snacks to be like salty snacks and i want good appetizers that are sumwhat unique. so give me foods that i should have at the party.