Shin Akuma in Street Fighter Alpha 2 - a SNES Code, Hidden for 24 Years

This iconic guy is available as a playable character, but the community discovered such an option only in 2020

A new cheat code for Street Fighter Alpha 2 has been discovered - Dot Esports

Street Fighter ALPHA 2's secret character comes to light after 25 years lost in the video game – TALENTEC

Street Fighter Alpha 2 [SNES - Beta?] - Unseen64

1996 STREET FIGHTER ALPHA 2 SEGA Saturn Toys 'R' Us VIDPRO CARD

Shin Akuma unlockable in Ultra Street Fighter II: The Final Challengers - Gematsu

TAS】STREET FIGHTER ALPHA 2 (SNES) - SHIN AKUMA

General FAQ - IGN

Modder discovers hidden method to unlock Shin Akuma after 25 years in Super Nintendo version of Street Fighter Alpha 2 : r/snes

I did it, without the need of the code. A full Arcade playthrough of Alpha 1 with Akuma at the end. : r/StreetFighter