To me "Pick a game, write a server emulator for it" is an excellent example of "What is it trusting? What is it trying to protect? How do I get around it?". Bu

To me "Pick a game, write a server emulator for it" is an excellent example of "What is it trusting? What is it trying to protect? How do I get around it?". But on top of being "a great way to use all your skills up to this point" I think it can also be a strong motivation for picking up new ones.