Most game studios already know the value of learning from experience. At the end of a project, teams gather for a postmortem, discuss what worked, what didn't, and document lessons for the future. The problem is that by the time those lessons are identified, it's often too late to help the project they came from. More than twenty years ago, producer Wolfgang Hamann proposed an alternative that is still highly relevant today: Critical Stage Analysis (CSA). Instead of waiting u