I got my start by writing mods for Morrowind. The easy learning curve and ability to see my work in near-real time definitely sparked my interest in programming. Modding (and interacting with the Morrowind mod community) also taught me how to A) ask questions the smart way and B) deal with toxic internet folks very early in my internet career. I honestly wish I could thank the people who helped me and dealt with my 12-year-old self.