I have recently learned that Mission Sydney have just opened up their third room (thanks Joel).
I really enjoyed their first two rooms, Vampire Castle and Dr M. Mission Sydney are known for their high tech rooms and I would bet any money that this third room will be no different.
Here's the summary from the website of The Lost Mine:
Without any experience, he was offered a highly paid job as a worker in a remote mine. Shocked but overjoyed, he threw himself into his work.