Mainframe Defenders CD Key
Defend the "Stargazer" research complex in this tactical retrofuturistic strategy game. Control a squad of four prototypes to repel a computer virus, execute diverse tactics, and navigate procedurally generated levels. Build your squad with unique abilities and unlock upgrades to survive your mission.
Looking for the best price for Mainframe Defenders? Compare offers from 7 stores on CheckGamePrices to find the cheapest Steam key available. Right now, the lowest price is 0.65$ at Steam.
Current Lowest Price
0.65$
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Steam
0.65$
Gamivo - Mainframe Defenders EN/RU/HU Global
1.06$
Kinguin
1.47$
G2A - Mainframe Defenders (PC) - Steam Gift - GLOBAL
1.58$
GameSeal - Mainframe Defenders (PC) Steam Key- GLOBAL
1.90$
Eneba - Mainframe Defenders (PC) Steam Key EUROPE
2.08$
K4G
3.22$
Release Date
25 Feb, 2020
Publisher/Developer
Synthetic Domain
Reviews
Steam: 87.21% positive (634/727)
Metacritic: -
Game Tags
System Requirements
Minimum:
- Requires a 64-bit processor and operating system
- OS *: Windows 7 or later
- Processor: Intel Celeron
- Memory: 2048 MB RAM
- DirectX: Version 10
- Storage: 200 MB available space
- Additional Notes: Requires a 64-bit processor and operating system
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Mainframe Defenders Steam Price History Chart
Current Steam price: 0.65$
Lowest Steam price ever: 0.59$ — 2026-08-19
Lowest Steam price ever: 0.59$ — 2026-08-19
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Mainframe Defenders description
Mainframe Defenders
Mainframe Defenders is a tactical retrofuturistic strategy game where players face an intriguing challenge: a computer virus has infiltrated the “Stargazer” research complex, taking control of its robotic units. As the commander, you lead a squad of four prototypes on a mission to defend the complex mainframe against relentless assaults and restore order to the facility.
Throughout the game, you will engage in various tasks, including repelling enemy attacks, destroying unit fabricators, and downloading valuable data, all while combating the virus's influence. Players must strategically build their squad by balancing item limitations and drawbacks to create powerful combinations. The game's combat encourages diverse tactics—overheating foes, dealing corrosive damage, or utilizing powerful one-shot eliminations—all while being prepared for unpredictable enemy counters.
With hand-crafted rooms integrated into procedural generation, players experience unique missions with varying objectives and conditions. Victory unlocks new units and items, enhancing the depth of gameplay as you explore a blend of retro graphics and a synthwave soundtrack, channeling the spirit of older gaming eras. Will you rise to the challenge and defend the Mainframe?