10 GTA 5 creepy secrets that are worth knowing 1) The Altruists are cannibals. Ad. Trending. The Altruists are a secret society in GTA 5 that lives in the mountains.

Grand Theft Auto 5 has such a massive open world to explore that it's easy to miss some of its less obvious and more well-hidden locations.

The new GTA 5 update, San Andreas Mercenaries, is hiding a secret message from Rockstar promising to one day “reveal all,” perhaps teasing some GTA 6 news.