TroikaNot far into the future, a stone was found in a star then more stones were found, and it turns out that if you combine three of these stones in the right way, you create a very valuable jewel. What's more, you can combine them in a different way to create fuel. In Troika, you are an adventurer who has dreamed of making a fortune, so you've travelled to this star along with other wanderers. Unfortunately, your spacecraft has no more fuel, so while