Zombie Hunters Arena is a free multiplayer action game developed by Pixel-Cave for Android 9.0. The game's main objective is to shoot zombies and upgrade your weapon. The game is set in an apocalyptic world overrun by zombies, and players must survive by killing as many zombies as possible.

The game offers a variety of weapons to choose from, and players can upgrade their weapons as they progress through the game. The game's graphics are impressive, and the sound effects are realistic, adding to the overall gaming experience. The game also offers multiplayer mode, allowing players to team up with friends and fight against the zombie hordes together.

Overall, Zombie Hunters Arena is an exciting game that will keep players engaged for hours. The game's multiplayer mode and weapon upgrade system add to the game's replay value, making it a must-try for fans of action games and zombie shooters.