Guía parental

There are several appearances of prostitutes dressed in somewhat scanty dresses.

One cutscene shows a woman in a bathtub without any clothes on. However, no actual nudity is present during this scene, but your character throws her a coin and says thanks for the service, implying that she just had sex with him.

Several sexual references in the dialogue, some might be very strong.

A man puts a gun in another man's mouth and fires the gun.

A man falls a story down a building after being shot in the chest.

A man is attacked by a Mountain Lion in a cutscene.

Debris from a collapsing mine falls on a man, who screams.

A man's finger is cut off and his hand is bloody in a cutscene on the train.

A man places dynamite around his body and it explodes.

A man falls off a ship deck into the water. Later, debris from the deck falls on the man, who screams.

If Gun were a movie, it would be rated R for bloody violence, language, and some sexual references.

A man falls off a cliff after being shot by a cannon. Later, he is dragged into the train.

A man hits another man in the face with his foot after he is knocked out.

Uses of "shit", "bitch", "ass", "damn", and "bastard"

No F-words

One mission requires the player to go through an opium den to find a man, however, no opium is present.

Several men can be seen drinking whiskey in one cutscene

A man can be seen smoking a cigar in several cutscenes.

The health system is based off of taking gulps of whiskey. (No heavy drinking, though.)

There is also reference to Opium.

A building being set on fire can frighten some.

Like GTA; regular civilians can be massacred.

A scene showing several skinned corpses hanging from a piece of wood.

Many scenes of emotional brutality.