Vice City and Manhunt Action Figures
Inside Zero Shop in San Fierro if you look close
to the action figures you will see Vice City action
figures like Tommy and Lance and Manhunt figures.
CRASH and Ku Klux Klan
Tenpenny,Pulaski and Manuel Hernandez from Grand Theft Auto
San Andreas,are references to Ku Klux Klan.Tempenny was the
name of the owner of the house when the first reunion of KKK happened,
Pulaski is the name of a city in Tenessee where the KKK was founded,
and Manuel Hernandez was one of the leaders of KKK.
Jackson Five
In Old Reece Barber Shop,there five pictures in the wall,who are five
black men with afros.They're actually the Jackson Five.
The True San Andreas
San Andreas in reality is a crack in the tectonics plates
who cuts the citys of Las Vegas,Los Angeles and San Francisco.
It's is still possible to encounter the San Andreas crack in the game.
Tony Montana Bird
Ken Rosenberg says in one cutscene at Caligula's Cassino
that he's only friend is a bird name Tony,who is a reference
to Tony Montana from the 1984 Scarface movie.The bird even
says one line of Tony Montana in the game.