Pokemon Crystal - Remote code execution (sort of) through link trades
Save file (Pokemon Crystal UE): http://www.mediafire.com/file/afz88847xoow6kb/crystal-rce.sav
Code: https://pastebin.com/P19vZ3EP
The save file was made for the sole purpose of being reliable enough to make this video. In order to save a few bytes to fit all the displayed text within the party Pokemon data, it assumes that the second game enters the trade with a party of six Pokemon. Also, there's a ~2% chance that the checksum will overflow and there won't be any effect.
More information on ACE via bad clones: https://forums.glitchcity.info/index.php?topic=7706.msg203310#msg203310
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