Trapped Rat

This is a challenge in The Fridge. In the south-western part of the map, there is a sealed room. To enter it, player must go to the room adjacent to it from north-east, and look through small window into the sealed room. A New-U station can be seen inside, obstructed by a frozen person. Player must shoot the frozen person to activate the New-U station, and then proceed to die. After he is reborn inside the sealed room, he can open it from inside. In the room there are few frozen people, one of them is a Rat. Smash the Rat to complete the challenge