What is the main objective in Protect Zone 2?
Your objective is to defend a vital scientific laboratory from waves of attacking monsters and survive the alien invasion.

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- movement
- aim and shoot
SPACE - jump
SHIFT - run
R - reload
P - pause
Humanity's last hope rests in a secret laboratory, and you are the only one standing in the way of its destruction. In Protect Zone 2, you take on the role of a specialized guard tasked with repelling a massive alien invasion. While the scientists work on a solution to the global crisis, your job is simple but deadly: eliminate every monster that approaches. Hold your position, manage your ammunition, and ensure no enemy breaches the perimeter. The fate of the world is in your hands.
Survival in Protect Zone 2 requires more than just a fast trigger finger. You must remain within the safe boundaries of the lab; crossing the red line results in instant death. Strategically reload during pauses in the waves and keep a close eye on your health. As the alien onslaught intensifies, your ability to stay calm under pressure will determine if the scientists can complete their vital work.
Your objective is to defend a vital scientific laboratory from waves of attacking monsters and survive the alien invasion.
Use the WASD keys to move, your mouse to aim and shoot, Space to jump, and R to reload your weapon.
Yes, do not cross the red line. Entering that dangerous zone will cause your character to die immediately.
Yes, the game is completely free to play in your web browser on PacoGames.
You can pause the game at any time by pressing the P key.























