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
Offers
What are keyshops?Official stores
Official stores with direct support.
Demo (1)
Try this game before buying.
About Mechanical Defense Line
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.
Game details
Game details
Age ratings
Game modes
Languages
Features
Mechanical Defense Line price history
Lowest tracked price: PLN 16.09 (Jul 7, 2026) · current best: PLN 22.99.
Mechanical Defense Line — frequently asked questions
Where can I buy Mechanical Defense Line at the cheapest price?
Right now the cheapest offer for Mechanical Defense Line is PLN 22.99 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.
What is the lowest price Mechanical Defense Line has ever been?
The lowest price KingsPrice has tracked for Mechanical Defense Line is PLN 16.09 (recorded on Jul 7, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
How can I get Mechanical Defense Line at a discount?
Create a free price alert on this page and KingsPrice will email you when Mechanical Defense Line drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
System requirements
Minimum
- OS: Windows 10 64-bit
- Processor: Intel Core i5-6600K / AMD Ryzen 5 1600
- Memory: 8 GB RAM
- Graphics: NVIDIA GTX 1060 6GB / AMD Radeon RX 580
- DirectX: Version 10
- Storage: 1 GB available space
- Sound Card: 兼容 DirectX 的声卡
Recommended
- OS: Windows 10/11 64-bit
- Processor: Intel Core i7-8700K / AMD Ryzen 7 3700X
- Memory: 16 GB RAM
- Graphics: NVIDIA RTX 2060 / AMD Radeon RX 5700 XT
- DirectX: Version 12
- Storage: 2 GB available space
- Sound Card: 兼容 DirectX 的声卡
