In a likely to be controversial manifesto, the veteran developers that cluster around the Project Horseshoe invitation-only mini-conference have produced a list of problems — and solutions — for video games’ continuing strides towards the pantheon of great art. Consisting of industry notables such as legendary Infocom designer Steve Meretzky, Hidden Path Games executive producer Jeff Pobst, renowned game artist Jason Rohrer, and many more, Project Horseshoe is a unique conference inviting 50 experienced game …