99% of the server code doesn't deserve trade secret protection, and fulfilling the goal of games continuing to work doesn't require releasing the other 1%. The

99% of the server code doesn't deserve trade secret protection, and fulfilling the goal of games continuing to work doesn't require releasing the other 1%. They can keep their matchmaking algorithm secret while releasing the code that lets people straightforwardly connect to each other. They can keep most of their code secret.