Mechanical Defense Line
No discount right now. The current price is 100% of the way from its all-time low to full price.
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About this game
What this game is, in the developer's words
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
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.
Media
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Price history
Accepted price history and recorded lows
Mechanical Defense Line price history and current deals
Mechanical Defense Line for PC currently sells from $4.99 at authorized stores. Its all-time low is $3.49, set on 2026-07-06.
Frequently asked questions
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