Zombies vs Nora

Defense Shooting Game.
World has been attacked by a deadly zombie virus. A small group of uninfected citizens have joined together to defeat the marching zombies. Nora is a zombie killer and their fiercest fighter. You must help her defend their underground stronghold and destroy the waves of attacking zombies! You have guns and a powerful zero energy defense tower. The tower will shock incoming zombies, but it takes time to rechange, so you will have to rely on your own zombie blasting skills.
Game by:GamesR