The Grand Theft Auto series is widely regarded as one of the most successful and influential video game franchises of all time. Rockstar is known for their incredible attention to detail, with the worlds of the GTA games proving this time and time again. In fact, there are many subtle and mysterious details that keep players coming back for more. Even after years of play, there are still secrets to uncover and mysteries to solve, making the GTA games a perennial favorite among gamers.
Throughout the series, players have discovered various mysterious and unexplained occurrences, ranging from cryptic messages to strange, unexplained noises. These mysteries are so inexplicable that players are still talking and theorizing about them to this day, with the best instances of the bunch being mentioned below.
10 The Sighting Of Bigfoot During The Mission Predator (Grand Theft Auto 5)
Bigfoot's myth has been prevalent ever since the release of GTA: San Andreas. However, while the appearance of this creature was absent in this title, the same can't be said for Grand Theft Auto 5.
A notable instance comes during the mission Predator, where players are tasked with using a thermal scope to identify and eliminate the O'Neil brothers. During this moment, players can pan downwards to see a mysterious silhouette of Bigfoot that disappears when shot, with no explanation given for the same.
9 The Ever-Changing Moon (Multiple GTA Games)
The 3D trilogy of Grand Theft Auto games features several great titles that are all a blast to play through. These games feature several unique additions, including a rather puzzling and chilling one that has never been explained properly in-game.
In these games, shooting the moon changed its size, which makes no sense and seems to be included just for the cool factor alone. It's a small change, but a notable one regardless that many people haven't really questioned.
8 The Infamous Mount Chiliad Mystery (Grand Theft Auto 5)
The mural of Mount Chiliad is easily one of the most engaging mysteries in the Grand Theft Auto series. It has tantalized fans ever since its discovery and still doesn't have a definite answer to this day.
While a UFO does appear at the peak after 100% completion, the nature of the mural is still pretty mysterious. Some of its aspects are still pretty unexplained which makes it an amazing riddle that helped the GTA community bond for over a decade!
7 The Four Homeless Men Standing Menacingly In A Hidden Tunnel (Grand Theft Auto 3)
Grand Theft Auto 3 was the franchise's first foray into the realm of a 3D sandbox, and the results were nothing short of a massive success. Fans and critics alike loved this revolutionary open-world title and what it brought to the table.
One particular hidden tunnel in the game features four homeless men standing around a fire in a pretty ominous manner. These men drop a molotov cocktail upon death, which makes them even more mysterious!
6 Black Cellphones (Grand Theft Auto 5)
One of the more recent and inexplicable mysteries comes in the form of the Black Cellphones number that players can dial in Grand Theft Auto 5. 1-999-367-3767 is the mysterious number that causes several puzzling things to happen at once.
The player's phone expands in size and takes on a black and grey color. On top of this, an explosion occurs right above the player's head, adding to the mystery of this number and making players wonder what Black Cellphones is all about.
5 The Cement Shoe Men (Grand Theft Auto: Vice City)
Grand Theft Auto: Vice City allowed players to explore Rockstar's take on Miami, making for a great time as players explored this unique setting while going through a plot that was clearly inspired by movies like Scarface. Suffice it to say, this game also shows just what sleeping with the fishes entails.
Throughout the game world, players can see various men drowned in the waters of Vice Cit y, their feet encased in cement. This was a popular way for members of the mob to execute people, although the reason behind these murders is never explored in GTA: Vice City.
4 The Heart Within The Statue Of Happiness (Grand Theft Auto 4)
The Statue of Happiness is one of the funniest structures in GTA 4, being a clear and obvious interpretation of the Statue of Liberty. However, there's something inside the statue that makes it less amusing and more horrifying.
After passing through a fake door near the base of the statue, players can climb a ladder to see a mysterious heart beating at the center of the statue. It's an eerie sight that makes for a cool easter egg, although a lack of any explanation makes this secret way more sinister than it already is.
3 The Mass Grave Near Area 69 (Grand Theft Auto: San Andreas)
GTA: San Andreas is a game with a huge open world, so it's only a given that this sandbox would be littered with many secrets. A particularly chilling hidden area appears near Area 69, which has some dire implications indeed.
Area 69 is rumored for experimenting on humans, and this unceremonious grave implies that all dead human guinea pigs were dumped here without a care in the world. While this theory is yet to be confirmed, it's perhaps the most plausible conclusion for the existence of this disturbing area.
2 The Underwater Hatch (Grand Theft Auto 5)
Grand Theft Auto 5 truly upped the ante when it came to adding secrets to its open world, with the majority of inclusions being quite riveting in their own right. One such secret comes in the form of the underwater hatch that is present on the eastern side of the Pacific Ocean.
Players can discover a mysterious underwater hatch here with a knocking sound in Morse Code that translates to form Roman's iconic words whenever he asked his cousin Niko to bowl. While this is humorous, the existence of the hatch is still pretty bizarre, with many people comparing it to the same structure seen in the TV show Lost.
1 The Many Mysterious Sunken Structures (Multiple GTA Games)
Grand Theft Auto players were forbidden from ever checking out the depths of the game's water bodies... Until San Andreas came into the picture, that is. However, even before the advent of this game, there were numerous sunken structures present in the series that begged for a proper explanation.
Two large cargo ships can be found sunken in GTA: Vice City, but they pale in comparison to the sunken UFO in Grand Theft Auto 5. All these structures pose intriguing mysteries that are never explained in the game, which makes for an engaging talking point, if nothing else.
Grand Theft Auto 6 is currently in development.