Steam game

Mechanical Defense Line

This is a tower defense, card-based roguelike game. Build and modify your turrets, equip gear to challenge levels and experience the story. Strengthen yourself via various functions, choose talents in battles to win. Get no less than 10 pieces of equipment in every fight.More content awaits in-game

Coming soon June 28, 2026

By 零号

Windows
View on Steam
Mechanical Defense Line - 零号. Popular. Released June 28, 2026
Screenshot of Mechanical Defense Line gameplay showing in-action mechanics Screenshot 2 of Mechanical Defense Line - additional gameplay view Screenshot 3 of Mechanical Defense Line - more gameplay footage Screenshot 4 of Mechanical Defense Line - final gameplay screenshot

Overview

About this game


Diverse Tower Defense System

Over 50 unique defensive towers, including Blaster, Cannon, Sniper, Tesla, each with distinct attack patterns and skill effects. Choosing the right combination of towers based on enemy types is the key to survival.


Mecha Hangar System

Manage your mecha formation, equip weapons, and upgrade mecha attributes in the Hangar. A well-planned mecha combination can deliver unexpected effects in battle.


Tech Lab Research & Development

Research and upgrade modules through the Tech Lab to unlock more powerful defensive capabilities and special skills. Technology is the primary productive force and your hope for survival.


Stellar Node System

Allocate Stellar nodes to gain global buff effects. Each node provides comprehensive attribute enhancements to your defensive system.


Fusion Core Integration

Fuse cores to unlock powerful Modifiers that grant additional special effects to your towers, making your defensive line invincible.


Chrono Time Manipulation

Use the Time Core to reset and rewind time, giving you the chance to turn the tide of battle at critical moments and experience the magic of time manipulation.


Biolab Biological Mutation

Conduct genetic mutation experiments in the Biolab to obtain experimental Perks. Unique biotechnology unlocks unprecedented tactical options for you.


Rich Game Modes

Features multiple game modes including Main Campaign, Daily Quests, Weekly Challenges, Seasonal Events, and more. Complete challenges to earn generous rewards and continuously enhance your strength.

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