If people-watching isn't what you had in mind, and you've already hit the Alley/Dealer's/Games room and done what you want there, play a game!
My con buddies always bring a deck of cards or two, and we've often made new friends by having others jump into the game!
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- Mockingjay Katniss Everdeen: 90% (Prop Design) Nov. 22 Catching Fire Premiere
- Bulbasaur Kigurumi (Pokemon): 2% (Planning) MAGfest 2014
- God/"Glow" Tier Rose Lalonde (Homestuck): 45% (Sewing) Katsucon 2014
- Lady Rainicorn Ballgown (Adventure Time): 2% (Planning) Katsucon 2014