20 Worst Game Breaking Bugs & Glitches

Red and Blue are the Pokémon games that started it all, igniting a thirty-year-and-running fascination with an ever-growing list of fictional creatures that trainers capture, collect and battle, and spawning a franchise that has sold more merch than just about any other IP on the planet.

Red and Blue set us down in Pallet Town for the first time, as a young trainer just setting out on their journey with a starter Pokémon and dreams of making it to the top. Journeying around the Kanto region (Inspired by Japan), you have the opportunity to pursue 151 original monsters and eight different gym bosses before heading to Victory Road.

But one Pokémon you encounter along the way is not like the others. On the east coast of Cinnabar Island lives a pixelated creature called MissingNo., whose powers are mysterious and presence inexplicable. And that’s because it was never meant to be included in the game. A glitch in the game’s programming created MissingNo., and an encounter with it while prosperous for some can be deadly for others. The popularly known side effect of facing MissingNo. is for the sixth item in your inventory to be replicated 128 times, but a rare side effect also sees the accidental Pokémon corrupt your game data, rendering it unplayable…