Step beyond Worlds 1–8 and into the unknown. In this series, Retro Mark explores the hidden and glitched worlds of Super Mario Bros. levels that were never meant to be seen. Using techniques like cartridge swapping, Game Genie codes, and hex editing, each episode dives deeper into broken, unstable, and sometimes completely unplayable versions of the game. From looping levels and corrupted environments to worlds that simply stop working… this is the most immersive journey into Mario’s glitched reality. How far do the Glitched Worlds go?
Curated by: Retro Mark (25 videos)
In Part 18 of Glitched Worlds, we explore Worlds 231–240 and discover some of the strangest levels yet. Familiar worlds begin repeating themselves, the Minus World keeps returning, and it feels like the game is running out of places to send Mario. Then we reach World 240. Mario becomes stuck at the top of the screen inside a bizarre gray castle. Using Game Genie codes, we're able to explore deeper into this strange world and uncover endless castle structures, misplaced pipes, and a level that feels incomplete, as if we accidentally stumbled into something that was never meant to be finished. Was this world unfinished? Or are we seeing Super Mario Bros completely break down as we approach the end of the Glitched Worlds? Join Retro Mark as we continue exploring the strangest and most mysterious worlds hidden inside Super Mario Bros. #SuperMario #MarioGlitch #GameGenie #NES #RetroGaming #glitchedworlds Time stamps 00:00 – Intro 00:33 – World 231 01:09 – World 232 01:37 – World 233 02:04 – World 234 02:35 – World 235 02:58 – World 236 03:14 – World 237 03:42 – World 238 04:26 – World 239 05:00 – World 240 07:08 – Outro