I'm definitely keeping most of my time/ingredient limitations for Decade, though I might deemphasize some of them (in terms of using them overtly). I couldn't take the 10 1-hour sessions or the emotion out of the game without doing it serious violence, but "ancient" and "glass" together suggested a New Year's-based reunion and I might simply leave it at that, as thematic suggestions that helped me come up with the setting.
Now I just have to decide whether I want to revise this game, or whether I want to start working on one of the other six ideas that this contest inspired me to think of . . . .