There are many features in Grand Theft Auto 5 that can be revealed if gamers have the right codes and hints.

When not trying to complete a mission, there are still many things to do in GTA 5 that can provide an entertaining experience. Some of those things include flipping people off while in a car, performing pratfalls and exploring the depths of the ocean floor.

To flip someone off, the user's character must physically be in a car. Select "unarmed" in the weapons wheel and then press L1 on the PS3 or LB on the Xbox 360. This makes the character give the finger to passing cars or pedestrians.

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Another trick that could lead to interesting developments is the pratfall. Simply press X to jump and then press B while suspended in the air. This makes the character fall in a dramatic way. This trick can lead to someone picking a fight if the character falls on them intentionally or, at the very least, getting their attention.

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Users who wish to explore the ocean floor will find an interesting hidden object if they know where to look. Use a submarine to get down to the ocean floor at the Northern edge of the map and discover a crashed UFO.

Once users have completed the game, they can also find a UFO suspended in the air. Go to Mount Chiliad on the map and get the character on the mountain. It also must be 3 a.m. in the game in addition to having rainy weather. If all of those requirements are fulfilled, a UFO should be visible in the sky.

Watch this video for more details on finding the UFO: