Generational churn in videogames often brings a series of impressive visual advancements. Just look at the different between Mario on the NES and Mario on the SNES. But some generational shifts offer real revolution, not just incremental improvements. Which shifts had the most impact in the history of videogames? That's the topic for this week's RetroCity. Plus, Ristar may be the big star of jukebox time, but the podcast is closed out with one of the best themes in 8-bit gaming. Can you guess what it is? It's not from Mega Man. But it's close.