Set the scene
Whether you're planning a formal meal or a relaxed catch up, it's nice to give your guests something to look forward to. You can set this all out in your invitation. Is there a dress code? Or not? Are you defining a theme?
Coordinate your meals
Set out the schedule for your guests so you can try to synchronize your activities. "Sitting" at the virtual table is much like a real table, where you'll have conversations with your neighbours, and it's nice to do that over food.
Whether you're all in the same town and order from the same restaurant or you all choose to order from food establishments in your own local neighbourhoods, getting take out can make a special event feel really lovely.
Build it together
We all know that parties happen in the kitchen, so why not do it? Identify a common menu, dish, or beverage and have everyone make or assemble it together. You'll generate great conversation as you go!
Plan some activities
Charades anyone? Hide & seek for the kids? Book readings? Scavenger hunt (find items in your own home and show them to everyone over the cam) Or what about opening your Secret Santa presents? There's a lot you can dream up to make your time together more rich and fulfilling.
Individual devices make for a more full experience
It may feel strange in a house with multiple people, but when each person logs in to the party, they each are represented with a little avatar that allows them to move around the space and start up conversation with other individuals. Just like at an in person event sometimes you want to have your own visit with someone, so consider the style of your event and plan accordingly. People sharing devices will still have a great time, but there may be some negotiating as to where the go in the room!