Actually there is, and bustadice has it implemented!
Read through everything... I still don't believe it is provably fair for investors, but it seems more like layering.
Layers help, but they don't make it mathematically fair for investors still. I suppose it does make it fair for you though?
BUT couldn't an owner just physically plug into the box (server) and gg you still?
Did you read about the attack that stole over 122 BTC from the Crash game at Bustabit?
You might want to make sure you are not vulnerable since you are operating a copy that was modified.