A free app for Android, by Axondev Games.

This app offers an escape plan for the grandpa alien and his companions. Your mission is to shoot all the aliens to save your friends. You can perform various actions while playing the game. You can destroy enemies, collect items, and craft weapons and armor. You can also open the craft store to purchase various items. In addition, you can also unlock the door to get out of the room.

In order to complete your mission, you need to find the keys that are hidden in the room. You need to destroy the boxes to find them. You can destroy the boxes and get the keys.