It was an emulator for Ultima Online called RunUO that ignited my passion for game development. The ability to alter a few lines of code and see that reflected

It was an emulator for Ultima Online called RunUO that ignited my passion for game development. The ability to alter a few lines of code and see that reflected in the game was so damn exciting. Happy to say 15 years later working on my latest game in UE4 that feeling still endures. Thank you Richard Garriott and the RunUO team ;)