Size: 560MB | Price: ¥30.00
| Internal purchase or not: No
Alien: The Defender is an instant reverse tower attack game. Players play the role of aliens who resist the invasion of human expeditionary forces, protect their home stars, and smash the invasion plan of human expeditionary forces by building defense towers, improving technology, facilities and armed firepower. In the game, players will change their positions and stand up to humans