juste pour revenir sur street fighter zero 2 alpha.
voici les "différences" avec la version normale qu'est street fighter zero 2 : (c'est en anglais mais c'est très compréhensible)

This game is known outside Japan as "Street Fighter Alpha 2 Gold".

This game is very similar to it's predecessor, "Street Fighter Zero 2". It is slightly enhanced, giving some of the characters a new move or two. There are also additional game modes added, such as 'Dramatic Battle' (2 vs. 1), 'Shin Gouki Mode' and 'Survival'.

This game runs on the Capcom Play System II hardware (CPS II).

- TIPS AND TRICKS -

* Two vs. One Battle : Hold LP+MP+HK and press Start at the start screen.

* Fight Shin Gouki : Hold MK+MP and press Start at the start screen.

* Survival Battle : Hold LP+MP+HP and press Start at the start screen.

* SFII' Versions Of Ryu, Ken, Sagat, Vega, Dhalsim, Zangief : Highlight the character and press Start.

* Satsui No Hadou Ni Mezameta Ryu : Highlight Ryu and press Start twice.

* SFII Costume Chun-Li, SFII' Chun-Li : Highlight Chun-Li and press Start once for SFII costume Chun-Li, twice for SFII' Chun-Li.

* Alternate Colors For Sakura : Highlight Sakura and press Start(x5).

voilà une énigme de moins à résoudre lol....