If you’ve ever been saddled with the task of throwing an epic party, you know that it’s not quite as easy as it seems – for one, you have to make sure that everyone gets along with everyone else, no small feat if you’re throwing a party that mashes together different friend groups. Whether it’s a birthday party, work party or bachelor party, you also have to ensure that the party is engaging and memorable, something that, years later, people will still talk about and remember fondly.