A free program for Android, by AniBox.

Defend your base from alien attack with the Galaxy Defender. Galaxy Defender is a free strategy game with one-on-one PvP battles. Each level is different and unique, giving you new challenges and the excitement of fighting for survival. As a player, you will feel like you are in an action movie.

This is a strategy game. You must build a defense strategy to protect your base from the attack of alien invaders. Every level is different, giving you new challenges and excitement. You will need to build a new defense strategy for each level. You can upgrade your towers and turrets to improve their power.

This tower defense game has different types of units. You will need to defend your base with different types of units. You will have a slow tower, a fast tower, a missile tower, a laser tower, a gold machine, and a dual tower. Each tower has four levels that you can upgrade. 

The campaign levels are divided into four different types of maps. You will be able to choose any map that you like. Every map has a unique design and looks different. Every map has a different challenge. Every map has a unique layout.

You will be able to choose any tower and turret to defend your base. You will need to use your strategy to choose the best tower and turret for every level. You will be able to get new weapons.

You will be able to choose the layout of your level.