I once dreamt that I was playing Halo 3, except with a Wii remote or something (well in the dream, I was the ACTUAL character in the game, so not sure whether Wii Remote is necessary) set in Red Faction: Guerrilla. Oh there was also elements of Red Steel's sword fighting in there, that's where I remembered the Wii Remote from. So when I would stick some guy with a Plasma Grenade, part of the building would explode as well, then I would switch to my sword and have an epic sword fight with another Spartan. It was a good dream.