It is actually unknown how much SCP-1499-1's are inside of the dimension. As the player walks the dimension, eventually he will find SCP-1499-1. The dimension appears to be an old, destroyed city, as it contains a majority of SCP-1499-1's. As the player wears it, the mask totally teleport's the player to another dimension. The player gets the mask as an item and has to wear it so he could meet SCP-1499-1.
In video games SCP - Containment Breach SCP-1499-1 appears after the player finds SCP-1499, also known as The Gas Mask, is founded in the Light Containment Zone. Their left arm appears to be broken, as the right arm appears to be totally normal. They appear to have over five eyes, located on different parts of their bodies, as well as their mouths. SCP-1499-1 are quite tall, naked human-shaped creatures.
2.2 SCP - Containment Breach (Unity Remake).2.1.1 SCP-1499-1 appears after the player finds SCP-1499, also known as The Gas Mask, is founded in the Light Containment Zone.
