Apart from SHENZHEN, most other games from Zachtronics are great about teaching programming. I can recommend spacechem, which looks simple at first glance, but

Apart from SHENZHEN, most other games from Zachtronics are great about teaching programming. I can recommend spacechem, which looks simple at first glance, but is all about threads,multiprocessing, mutexes etc. Silicon Zeroes is also another great game for developers.