Gamers experimenting with the 2002 Game Boy Advance game Metroid Fusion have discovered such a profound and bizarre shortcut that speedrunners have had to create a new category to account for the latest new way to break the game: Memory corruption.

You're looking at Super Metroid, but you're also look at Metroid Fusion. Slowly but surely, the two Metroid games are becoming one, thanks to an intrepid modder.