44 Upgrade Menu
Play as survival in closed Room. Survive all Waves and Destroy zombies to gain more combo. Higher Combo will unaocznić new Weapons but also will upgrade Weapons.
Features:
* More rooms.
* More enemys to fight against.
* After unlocking high combo or high wave spawning Boss.
* Great reward system.
* More Weapons.
* Collecting curency to unlock defence structures. For example (auto turets, healing tent, rocket towers... etc.)
* More characters to choose
