As there are normally no Zombies in GTA San Andreas, you would need a mod for this. Try this site:
www.moddb.com/mods/gta.../how-to-install-mods-in-gtasa
NO. GTA 3 is not san an dreas as san an dreas is its own game.
you can't .
Copland is a mod for GTA San Andreas
FADDSFF
no.
No, Not at all.
download it
you can't.
mods.
you dont
You buy the game
100 or so.