The alien invasion has begun.
Humanity's last line of defense is under your command. Merge powerful units, build an unstoppable defense and battle through hundreds of alien waves in Alien Merge: Space Defense — a strategy game combining addictive merge mechanics with intense tower defense battles.
⚔️ MERGE & EVOLVE
Combine matching units to create stronger defenders. Every merge creates a stronger defender and unlocks a more powerful combat form.
🛡️ BUILD YOUR ULTIMATE DEFENSE
Deploy your forces and create an impenetrable defensive line. Choose where to invest your resources and prepare for increasingly dangerous alien attacks.
👾 BATTLE THROUGH 100+ WAVES
The invasion never gets easier. Battle through hundreds of alien waves across an ever-growing campaign, facing stronger enemies that will put your defense strategy to the test.
🚀 EVOLVE INTO 40+ COMBAT FORMS
Command 6 unique defenders and evolve them through 40+ powerful combat forms. Create devastating combinations capable of destroying even the toughest enemies.
🧠 MASTER YOUR STRATEGY
Merging alone won't save humanity. Choose your upgrades carefully, strengthen your army and adapt your tactics before the aliens break through.
💥 FACE EPIC BOSSES
Fight through a sci-fi battlefield where every merge matters. Defeat massive alien bosses and prove you can build a defense powerful enough to stop the invasion.
Merge your forces.
Build your defense.
Save humanity.
Download Alien Merge: Space Defense and join the fight!
Merge units in this tower defense game & stop the alien invasion!