Welcome to Zombie Mission 9, the latest episode in the thrilling underground adventure series. Set deep within the shadowy recesses of a city long abandoned by humans, this installment invites you to explore the subterranean realms that have now become a battleground between the living and the undead. Following the catastrophic events that ravaged the surface world, survivors have sought refuge in these underground cities. However, their sanctuary is soon threatened as zombies invade, capturing innocent hostages. It is your mission to save them!

Equipped with an array of weapons and vehicles, you'll navigate through perilous environments filled with relentless foes. Your journey is not just about combat; you'll also need to gather valuable items scattered throughout each level to enhance your abilities and firepower. Prepare yourself for intense encounters, as you will face three formidable BOSS characters at the game's conclusion, each offering unique challenges. Don�t forget to visit the MARKET section where you can utilize the coins collected between levels to upgrade your weapons, health, and even your robotic companion for increased effectiveness in your mission.

As a player, you have the incredible ability to jump on walls, giving you an advantage as you strategize your moves against the lurking threats. Are you ready to dive into the action and reclaim the underground cities from the grasp of horror?

How to play free Zombie Mission 9 game online

To play Zombie Mission 9, use the arrow keys or WASD to move your character and jump on walls for added tactics. Utilize your mouse to aim and shoot enemies. Collect coins and items to upgrade your gear in the MARKET. Work towards defeating the BOSS at the end of each level for big rewards!