See Claude and his Venturas girlfriend (From GTA:3 and GTA:SA, not Catalina since she is dead) gambling in the Mafia Casino in Las Venturas, during a cutscene. See Tommy still running his Mafia Nightclub in Vice City, during a cutscene. See CJ, Sweet, Kendal and Caesar riding in a tour bus in GTA6 on Television. See a Niko and Roman advertising their Business in GTA6 on Television. See Luis and Tony advertising their Nightclubs in GTA6 on Television. See Michael in the movie Meltdown 2's credits in theaters. See Franklin talking to dogs in GTA6 on television. See Trevor giving missions to the 3 protagonists and GTA Online, who relocated to Pahrump near Las Venturas. See more RDR2 easter eggs and themes in GTA6, like how RDR was to GTA5. Also see those GTA4 references about Las Venturas and Vice City come true, like that homeless guy who found that diamond.