To start playing Kill The Zombies 3D, simply download the game and select the 'Start' option from the main menu. You will be transported into a 3D environment where you need to eliminate zombies and find keys to unlock gates.

In Kill The Zombies 3D, your primary objective is to eliminate all zombies present in each level. Additionally, you must search for keys to unlock steel gates that allow you to progress to the next level.

Yes, Kill The Zombies 3D is designed to be playable on various devices, including mobile phones. Ensure your device meets the minimum requirements to run Construct 3 games.

While specific difficulty settings may vary, Kill The Zombies 3D offers challenges that increase in complexity as you advance through the levels. The more zombies you face and the faster you complete each level, the harder it gets.

To improve your performance, focus on staying alert and moving strategically. Practice aiming accurately and finding the quickest routes to reach keys and exit points. Experience will also help you become more efficient in eliminating zombies.

Although there might not be an explicit tutorial, the gameplay mechanics are intuitive. Start by exploring the environment, shooting zombies, and collecting keys to understand how the game works.

Kill The Zombies 3D does not support multiplayer modes. However, you can compete with friends to see who can complete levels faster or achieve higher scores.

If too many zombies surround you, you will likely lose health rapidly. It's important to manage your surroundings and use the environment to your advantage, such as luring zombies into traps or narrow spaces to handle them one at a time.