Games. Games like Taboo, pictionary, Guestures, Mad LIbs, charades. Doing things like this usually loosens people up and lets them act more like their normal selves.
A person is a success if they get up in the morning and get to bed at night and in between does what they want to do. Bob Dylan
Good idea for later get-togethers but I am wondering what would work the first night as an ice breaker. I want something so people have to mingle, talk to each other.