You can unlock Shin Akuma in Ultra Street Fighter II: The Final Challengers with a special code – Destructoid

Street Fighter II/Akuma — StrategyWiki

Akuma Discovered In Super Street Fighter 2 Turbo In Street Fighter 30th Anniversary Collection

Akuma Street Fighter 2 [M.U.G.E.N] [Mods]

Here's How To Unlock Shin Akuma In Ultra Street Fighter II: The Final Challengers - Siliconera

Ultra Street Fighter 2: How To Unlock Shin Akuma

Akuma (Super Street Fighter II Battle Sprite) by L-Dawg211 on DeviantArt

Ryu vs Akuma Super Street Fighter 2 Turbo - video Dailymotion

Steam Workshop::Akuma/Gouki

Street Fighter - Akuma originally made himself known only to the fiercest fighters in Super Street Fighter II Turbo. Do you have what it takes to defeat him? 👿 Try for yourself

CLÍMAX: Climaxteca: Akuma em Street Fighter II - Victory