Pokémon: LeafGreen Version is an enhanced version of the original Pokémon: Green Version. Many glitches have been removed, and the random mechanics behind wild encounters have changed. This leads to very different strategies compared to our fastest runs on the original generation of games, and as a result, runs of this game see much more of the plot.
In this run, CasualPokePlayer makes use of a trick that allows creating a Pokémon from nothing, leading to a save corruption that finishes the game in just 7 minutes and 42 seconds! It is highly recommended to read author's comments for necessary details about how this save corruption work.