Attack On Planet Earth

Every day life can get kind of boring but I would never want it to change. What if you woke up one morning like usual, you where going to go hungting with your dad then your world flips up side down. One miunet your out side with your dad the next your in your basement hiding from aliens. Finding every thing deserted, everyone you know is gone its up to you to save them. Could you save your people from the strongest aliens in the galexcy, allied with other teenagers from around the world you've never met before?