The first castle, Iggy’s castle, is pretty easy. Like the yellow switch, the castles will get much harder. Iggy is also pretty easy to beat. Just knock him in the lava. If you have fire Mario, even better.

Watch the video below to see how to work your way through Iggy’s castle and defeat Iggy.

Sheldon has spent over a decade immersed in retro gaming, from NES classics to arcade gems. He's deeply passionate about preserving gaming history and helping others rediscover these timeless titles. When he's not gaming, Shaun writes about the evolution of video games and their cultural impact.