In the Definitive Edition of GTA San Andreas, the Lil' Probe Inn's office contains photographs from GTA V showing UFO locations including Ursula's house, the Galileo Observatory, and the Grand Senora Desert — a cross-game Easter egg added nearly a decade later.
Source: Lil' Probe Inn — CC BY-SA
GTA San Andreas hides a secret connection to Rockstar's most disturbing game.
GTA: San Andreas
Rockstar reused a cult's scanner for this character — but refuses to confirm if he's one of them.
GTA: San Andreas
Seven unmarked barrels sit on a beach in GTA San Andreas — and nobody knows where they came from after the well got quarantined.
GTA: San Andreas
This one door glitch in GTA: San Andreas can make your car invisible AND the entire state disappear.
GTA: San Andreas