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Zero Boundary Line

Coming soon

枕头人Discovered Sep 22, 2026

About the game

This indie sci-fi TD has easy controls. Play as a futuristic commander defending humanity from mutants across diverse maps. Beat levels to unlock units: defenders, melee fighters, crowd controllers. Buy unique shop units, mix ability units for powerful custom defense lines.

Original Steam description

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.

Demo and release information

No demo is verified in the current check data. This does not mean the game has never had a demo; check its Steam page for current availability.

Steam demo, playtest and Early Access: what is the difference?

Information & artwork: Steam · Last checked UTC