Merge Defense 3D
Experience the ultimate brain-training challenge with Merge Defense 3D! This addictive tower defense game blends strategic number merging with fast-paced enemy combat.
Sharpen your math skills by calculating and multiplying to strategically place and upgrade your defenders. Predict enemy movements, merge units to increase their power, and collect keys and gems to unlock new defenders and powerful upgrades like freeze, bluster, and time-slowing abilities. How long can you survive?
Gameplay:
- Deploy defenders to eliminate incoming enemies.
- Merge identical numbered defenders to enhance their firepower.
- Gather keys to acquire additional defensive units.
- Collect gems to activate helpful power-ups and tools.
- Test your skills and endurance against relentless waves of enemies.
Game Features:
- Engaging puzzle gameplay for mental agility.
- Relaxed, pressure-free experience with no time limits.
- Completely free to play.
Combine the best elements of tower defense, shooting, and merging games for hours of fun!
What's New in Version 2.3.438
Last updated October 12, 2024
This update includes minor bug fixes and performance improvements. Download the latest version for an enhanced gaming experience!
Merge Defense 3D





Experience the ultimate brain-training challenge with Merge Defense 3D! This addictive tower defense game blends strategic number merging with fast-paced enemy combat.
Sharpen your math skills by calculating and multiplying to strategically place and upgrade your defenders. Predict enemy movements, merge units to increase their power, and collect keys and gems to unlock new defenders and powerful upgrades like freeze, bluster, and time-slowing abilities. How long can you survive?
Gameplay:
- Deploy defenders to eliminate incoming enemies.
- Merge identical numbered defenders to enhance their firepower.
- Gather keys to acquire additional defensive units.
- Collect gems to activate helpful power-ups and tools.
- Test your skills and endurance against relentless waves of enemies.
Game Features:
- Engaging puzzle gameplay for mental agility.
- Relaxed, pressure-free experience with no time limits.
- Completely free to play.
Combine the best elements of tower defense, shooting, and merging games for hours of fun!
What's New in Version 2.3.438
Last updated October 12, 2024
This update includes minor bug fixes and performance improvements. Download the latest version for an enhanced gaming experience!