You all follow GREENLIGHTGOLD on Twitter, right? Amongst its out-of-context descriptions cribbed from Steam Greenlight submissions. In between the oddities and the Minecraft submissions, there's the occasional description that sounds worth looking up. Here's one from last night: "Mansion Lord turns the traditional 'whodunnit' murder mystery into an RPG/business sim game with a pixel art style." Mansion Lord does hope to do that. It's on…