Zero Boundary Line

This is a tower defense game with an independent sci-fi style. You will play as a future commander, deploying defenses to combat mutated lifeforms. As you progress through the levels, you can acquire various powerful new characters, and you can also earn coins in-game to purchase some more interesting special characters in the store. You can freely mix and match different characters to create a unique defense line. The mutants won't just sit and wait to be defeated; many of them possess special abilities. You need to unleash your imagination and flexibly adjust your deployment based on their attacks and characteristics.