You will play as a lieutenant who upgrades the Fort stronger to fend off waves of monsters attacking in a rush.
Upgrade your strength, defense, fire rate and dozens of features to make your fortress even stronger!
After each time you resist the attacks of Alien Monsters, you will receive more Coins to upgrade in Battle and Gold to upgrade outside of the Workshop. In addition, when you reach higher levels, you can unlock more new features that make you stronger.

Game Features:
- Many monsters with special skills.
- Rich upgrade system.
- Many useful support packages.
- Idle gifts help you to earn more resources without doing anything.
- Simulate the battle between the fortress and the alien monster.

If you have any suggestions or questions, do not hesitate to contact us via email.
Let's enjoy the journey of defense and upgrade!