Do not let Them in! – a dynamic game on android, where you will resist the army of monsters, protecting all of humanity from destruction. You are separated from monsters by a small wall that is in your phone, do not let monsters destroy it and get out. Click on the screen of your device as often as possible and do not miss not one monster, patching all the holes in the wall. In total, you will have six types of unique blocks that will be useful to you in the game. Show in practice your excellent reaction and do not let monsters get into your world by applying also for this numerous upgrades. Enjoy the exciting gameplay and show all that you are capable of.