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Hackers can reprogram NES Tetris *from within the game*, which may lead to new high scores. The hack involves “reading the game’s high score tables as machine code instructions”.

Discussion  2 comments


This is fascinating and the video from Displaced Gamers is so well done at explaining the intricacies involved.

Another youtube commenter mentions that the community has used this technique to build a bootstrapper, which bootstraps another bootstraper, etc, ending in full control of RAM.

Matt G Edited

Reminds me of the Super Mario Bros credits warp glitch by Sethbling where he is able to manipulate data in memory using Mario to go to straight to the end credits, which is the speed running definition of completing the game.

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