Portal Defense: Monster Siege, a thrilling free online tower defense and action game now on miniplay.us!

Purchase powerful defensive structures, recharge your energy, and prepare for relentless waves of monsters trying to break through. Face epic boss battles and upgrade your weapons to unleash devastating attacks. Your ultimate goal? Survive the final day and close all the mysterious portals before it’s too late!

• Use the WASD keys to move your character around.
• Click the Left Mouse Button to shoot your weapon.
• Hold the Right Mouse Button to aim down the iron sights for better accuracy.
• Use the Mouse Wheel or number keys 1 to 6 to switch between different weapons.
• Press the Spacebar to jump over obstacles or onto platforms.
• Enjoy smooth and precise controls in this free online HTML5 shooting game on both PC and mobile!

Plays: 27
Rating: ⭐0% (0/0 votes)
Genre: Shooter