Protect your home from zombies in Still Alive!
Defeat the waves of undead and then use your energy to find weapons, improve your skills, repair the car, or rebuild the barricade.
Survive for long enough to fix your car and escape!
Enjoy Still Alive.
Shoot - Left Mouse Click.
I found the difficulty of this to be tuned rather stupidly, if you don't use your stamina in the exact correct way it's impossible.
There is absolutely no leeway in trying out other upgrades.
If you want to know what to do scroll down to the comments.