If you want to have a successful party you need party activities. The most common party activities are:
Dancing
Dancing can be fun. Make sure you provide adequate space and choose good music to encourage people to start dancing.
You can find more details about party music here
Socializing and meeting new people
Introduce your guests to one another. Offer them opportunities to know each other. Make sure they have enough room to sit and talk comfortably.
Games
Games provide lots of fun. Choose proper games and be sure that everyone will have a great time!
Discover some great party games here