As an exploration team from the Human Federation to open up a new planet, you find that the trouble here seems to be much bigger than you expected when you first landed. Endless monsters are coming towards you. Use limited resources to make the most correct decision. Choose technology and survive the waves of monsters! Game features: Automatic combat: Except for the manual adjustment of the shooting direction, all technologies in the level are automatically triggered, freeing your hands and winning on the battlefield through reasonable technology matching! Rich structure: There are nearly a hundred technologies and 9 completely different characters under 9 different technology tree systems. You can kill the boss in an instant, or you can survive infinitely by relying on the endless long health bar. Deep strategy: every Each game player may face a boss with completely different characteristics. They must make the right choice when developing technology based on the boss and character characteristics to avoid putting themselves into an absolutely unfavorable situation. Outside growth: using different characters to clear the level will provide benefits for other characters. Provides passive amplification of the cleared characters during combat, and a reasonable combination of dual character skills to create a wonderful chemical reaction. Customized difficulty: You can freely combine different difficulty options to achieve the final difficulty level. Quick combat: the duration of a single round does not exceed 30 minutes! Alien Base official communication group ①: 940225423