Scrawled on the back of Mount Chiliad's observation deck is the cryptic phrase 'Come back when your story is complete' — which only makes sense once you've finished the entire game and a UFO appears at that exact spot.
Source: Mount Chiliad (GTA V) — CC BY-SA
GTA San Andreas predicted the 'think of a random object' privacy trick decades before it became a meme.
GTA: San Andreas
Rockstar hid a farming detail so obscure most players never noticed — the harvester actually works on specific fields.
GTA: San Andreas
Rockstar knew planes were kamikaze-ing into buildings—and left it in on purpose.
GTA: San Andreas
The 'Drive Thru Confessions' booth in the woods — praying to nothing, or something listening?
GTA: San Andreas