Video: https://www.youtube.com/watch?v=8oSAV65N7pw Description: An exciting game on the reaction rate. ____________________ Night is endless under the ground What are these children doing alone at the abandoned underground station? How many children are there and how many others? Perhaps later you will learn the answers to the questions, or it may be too late for them. After all, how many children will survive depends only on you. There is only one weapon at your disposal but it is very unusual Google Play: https://play.google.com/store/apps/details?id=com.nebegan.ClosedoorsGooglePlay
