Speedrunner Reprograms a Super Mario Game to Beat Itself

Speedrunners have long been exploiting 8-bit games by “reprogramming” them. Pixel-perfect inputs can be used to trigger memory events, usually for the purpose of beating games in fractions of the time it would ordinarily take. A similar exploit exists in the classic Mario Game Boy game 6 Golden Coins, but it exists in a physical, semi-playable form. Welcome to glitch hell.

By falling through the map in a particular stage, speedrunner Chris Grant is able to interact with the game’s memory and make it think it’s been beaten the next time he enters a new level. Apparently, 6 Golden Coins stored all the data for the cartridge underneath levels (where players were never intended to go) as blocks, pipes, and other broken but familiar in-game objects. Touching some of these objects causes a hard reset or renders the entire cartridge unusable. But one block in particular tells the software to load the end-game sequence, which in glitch speedruns, counts as beating the game.

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There must be some reason why the 6 Golden Coins programmers found storing memory this way more efficient, but I’m not aware of other Mario games doing anything similar. The bonus is that tinkering around “inside” a game looks a lot like a bad early 90s plot device, a la hacking the gibson. Don’t go dusting off your old Game Boy though: the glitch only works on older versions of the cartridge.

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Bryan Menegus

Senior reporter. Tech + labor /// bryan.menegus [at] gizmodo.com Keybase: keybase.io/bryangm Securedrop: http://gmg7jl25ony5g7ws.onion/

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