Also at the gas station in Dillimore, the glass on the window has a label saying "Max Pane - Bullet Proof Glass". This is a reference to the other Rockstar video game, Max Payne.
Action figures of Max Payne can be found in Zero's RC Shop.
Action figures of Piggsy and James Earl Cash can be found in Zero's RC Shop, referencing 2003 Rockstar game Manhunt.
Grand Theft Auto V
The in-game series, Righteous Slaughter, is a parody of the Call of Duty series.
Michael says that his first bank heist was in Carcer City, the setting for Manhunt.
John Marston, the protagonist of Red Dead Redemption, is seen in a Pisswasser commercial, riding a horse.
An artwork of John Marston can be seen on a pedestrian's shirt. (One can be found in the Daddy's Little Girl mission)
As part of a treasure hunt even in Grand Theft Auto Online, the player would receive a message on their phone from "email@example.com", which is a reference to the character Dutch van der Linde from Red Dead Redemption