Hideo Kojima's sunlight-based Boktai was one of the battier games we played last year. A game that requires the person playing it to take it outside and give its solar panel a good sunning every few hours? That's just weirdness.But it was weirdness that worked surprisingly well, mainly because the sunlight aspect isn't just a gimmick. Playing as the vampire-hunting Django, the solar powering-up makes perfect sense. The sunlight kills boss vampires - once you've dragged them out of their dark ...