Walking Pikachu's water tile corruption (Pokémon Yellow JP) @ChickasaurusGL

Evie (ChickasaurusGL) 🌺 | Walking Pikachu's water tile corruption (Pokémon Yellow JP) @ChickasaurusGL | Uploaded July 2022 | Updated October 2024, 15 hours ago.
Notes: Chatting to Pikachu near the water many times will corrupt the water tiles. Doing this even more will corrupt them further.

Found from the Nintendo of America bug reports from the 2020 source code leaks.

Encounter Pokémon in Map 254 (0xFE) (via arbitrary (custom) map header glitch) (Pokémon Red/Blue)

Sound bank arbitrary code execution (0A:58EAs stack corruption) - Save file modification (Red/Blue)

Using submerge glitch to encounter Mew in water-grass (no ACE challenge) (Red/Green) (ポケモンバグ)

Another means of bootstrapping 4F arbitrary code execution w/Level 112 MissingNo. (Pokémon Yellow)

Randomly select your moves in battle save file (Pokémon Yellow)

Another take on Rival LG with hex:7C item (0x50 sub-tile and previous encounter not needed) (Yellow)

Replacing Xs (エックス) Nintendo presents screen w/Pokémon Yellow cart swap arbitrary code execution

Different field move/summary/hatch sprites on Decamarks (Ruby/Sapphire)

Arbitrary code execution in Korean Pokémon Gold/Silver (wrong pocket TM49)

Trapping NPCs after dokokashira door glitch block corruption (Red/Green/Blue JP)

The uppercut invulnerability exploit (Game Freaks 1994 Pulseman) (warning: flashing lights)