I had the same thing with SpaceChem. Once I found myself trying to implement a mutex in it... I've just spent all day at work doing stuff like this, and then I

I had the same thing with SpaceChem. Once I found myself trying to implement a mutex in it... I've just spent all day at work doing stuff like this, and then I come home from work and keep doing it there as well. Great game, but it's like catnip for programmers.