After a few hours of play the game begins to lag. I'm not sure if it's related to the length of time I'm playing or the complexity of the scene.
At first I thought it was my laptop: Macbook Pro 2012 - playing in bootcamp: Windows 7
...but exiting the game and reloading seemed to help for a while.
Steps to Reproduce
Play for 3+ hours
Status: Known Issue
We are aware of this issue and have it logged internally but either we do not have a fix ready yet or we are not planning on addressing the issue in the immediate future.