Game jams! They're pretty great, though personally I prefer a nice home-made game chutney. It takes all sorts, mind, and I'll concede that jam's a lot better spread on toast than a chunky old chutney. Also game chutneys aren't a thing, I guess. Game jams, such as next month's AdventureJam, very much are, of course. The brief is wonderfully inviting: participants should create games that "embody…