Zombies Invasion

The zombie apocalypse has come, the main character has lost his whole family and now he has nothing to lose, he decided to kill as many dead people as he can! The undead are coming from all sides, hold out the allotted time and repel all waves of enemies. Points are awarded for kills, and there is an opportunity to open a new more powerful weapon. Move through the levels, the further into the forest, the more dead people. Hold out and kill everyone!