The problem you run into with most games is that they have to have a consistent view of the game board at least once per "tick". Most games don't have issues ca

The problem you run into with most games is that they have to have a consistent view of the game board at least once per "tick". Most games don't have issues calculating the state of the game in a single thread for most of a usual player's playthrough. The time where this fails is in simulation games when advanced players try to do hyper-scale things. If I were limited on time and resources, I would focus on improving things that affect the 99% of standard players rather than go and add multithreading and deal with ACID issues.