What is Undeads Winter's

Undeads Winter's is a little fps zombies shooter where you are getting the control of an o5 trying to escape the pocket dimension, a trap made by someone that was the first reason for coming in scp 108...

SCP-108 is accessible through Subject 108-1's nostrils. The subject is a 51-year-old African-American woman. Will you find how to let O5 Ordinary man get out of the Groenland trap, an unknown pocket dimension of the nostrils travel's that goes unexpectedly wrong?