GTA 5’s Unsolvable Mystery Broke Fans for Over a Decade, and GTA 6 Should Do It Again

In Grand Theft Auto 5 , one landmark was visible practically no matter where you were in San Andreas: Mount Chiliad. "Claimed by the Spanish in 1769, Mount Chiliad is the highest peak in San Andreas, sitting at a height of 2,744 meters," reads a sign at the nearby Silent Probe Mountain art installation. "Taken under Mexican control in 1821, it was then, and remains in American hands since 1847." It's more than just a mountain, though. Once the player has achieved 100% story completion, standing atop the mountain at 3 a.m.