16. Men In Black?
Now, if you like your Men In Black references, and let's face it, who doesn't, there's plenty of fun to be had here. Upon 100% completion of the game, a UFO will hover above Mount Chiliad, and you can complete the look by getting Michael and Franklin suited-up for a bit of nostalgia.
15. We Told You He Exists
We all spent hundreds of hours looking for it back in 2004, venturing into the Back-O-Beyond wilderness of San Andreas with our heads crammed with conspiracy theories and rumours. Back then, we were told a Big Foot creature was dwelling out in the forest, and though it proved to be one elaborate ruse, Rockstar made up for it by throwing in this zany Easter Egg that can be spotted in the 'Predator' mission.