When there's a space of time where there's nothing really going on (at least nothing I'm interested in), I'll take a breather in my hotel room and have a snack/watch some TV. At a convention I go to (Anime Crossroads), there's a courtyard where you can find people playing stuff like "extreme duck duck goose," which is fun, so maybe if there's an area like that, see what people are up to.
Tsumugi Kotobuki - Waitress Ver. [ K-ON! ] - 100%
Yuki Nagato - Disappearance Ver. [ The Disappearance of Haruhi Suzumiya ] - 100%
Lara Croft - Reboot Ver. [ Tomb Raider ] - 90%
Kyouko Sakura - Casual Ver. [ Puella Magi Madoka Magica ] - 100%
Makoto Sawatari [ Kanon ] - 100%
Charlotte - Human Ver. [ Puella Magi Madoka Magica ] - 40%
Ayu Tsukimiya [ Kanon ] - 10%