For those that might've missed out when Darkmook Paper Miniatures had their extremely limited run (only 30 done) of their The Vampyre of Mons cooperative board game, you can rest easy. The game has been released as a print-and-play version so you can get your own copy. You just need to print it out yourself.
The Vampyre of Mons takes place during WWI. There, Allied troops have come across a mysterious castle. They need to head in and investigate all the strange goings-on therein. But the house has thoughts of its own, and it's not happy to have interlopers moving around its corridors. You'll have to work together if you want to make it out alive.