You are the only one left in your place where it's already been overruled by zombies. The last thing that you can do is to leave but you need to fix your car and gather all the resources that you can find to help you in your journey. You need to strengthen your fort by building turrets around it, so it'll be easier for you to survive in every wave of zombies coming in your fort and it will also buy you time fixing your get away car. You can also purchase weapons, ammo, and health kit by using the resources you found. Unlock all the achievements and be listed in the high score by fixing your car and get away in shortest possible time. Play "The Last Fort" now and see if you can ever survive!