There is a decent explanation of yellow paint in midnight.

summation

Yellow paint, which likes or hates it, has become the main way to guide the player through most video games.
The South of Midnight joins the club with blue paints that can be found around the surface of most climbing.
But do not worry because there is a description of the universe about the phenomenon. Make your heart, Resi 4.

Like many games of this generation, the south of midnight covers the environment with paint, but the blue version of the idea has at least the universe explanation.

As the game is getting bigger and increasing as the game is trying to attract a wider audience, the developer should think about how most players know most of their time. One of the most widespread methods of the game in the game has been made of yellow paint, which is often sown all over the world to show the right path.

Avowed of Great Circle in front of the Xbox console dashboard, KAI in Indiana Jones.

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Despite the nickname, “yellow paint” is not always yellow and sometimes not paint (it doesn't shout with a surface covered with a rope of Far Cry). Cover the environment of the material or surface to clarify where to go next. The South of Midnight is the latest game to do this, but the implementation is at least interesting.

At least midnight south is to explain the yellow paint.

The wife must be careful

Hazel is holding a disease in the bottle of the south of midnight.

If you start the south of midnight from the beginning, both shelves and interests are painted in blue, which is probably a yellow paint alarm. At first, it appears to be a color change at first, but SOUTH actually has a description of the path that Hazel follows.

In the third chapter of the game, you meet a character called RHUBARB and find that it is a bottle covered with blue bottles. Heisel takes one of them and uses it as a magic object, but he does not say to stay after her careful blue line on his cabin floor.

Rhubarb explains that blue paint is used to prevent “boo-hags”, which is essentially all terms for mythological creatures and witches. The simple explanation suggests that the world in the south of midnight was painted in blue to stay away from unpleasant animals and magic monsters found in the south.

Of course, people who have played almost all the games in the last few years will find that they are actually actually to show the players, but the SOUTH strives at least. In addition, most of the bottles found in the bottle are blue, so it can be the same reason.