Buy cheap Mainframe Defenders key

Q: What are the minimum requirements for the PC version?

Operating system: Windows 7 or later Processor: Intel Celeron RAM: 2048 MB RAM Storage: 200 MB available storage Source: Steam product page .

25.02.2020 (Source: Steam) Old Byte Apps DRM

Region Global

Mainframe Defenders currently costs from €0.49 at GOG.COM as GOG-Game key. We compare 21 available offers from 10 stores. As of 1. November 2026, 04:30.

Automatically checked, Updated 11 minutes ago How we compare

€4.99from€0.49

GOG.COM

Best price from 5 offers Updated 11 minutes ago Lowest price €0.29

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5 results

Store	Product	Coupon	Price	Go to store
GOG.COM	gog.com Key 2717819 Updated: 4:30 01.11.2026 In stock DRM: gog.com Region: Global		€4.99€0.49 incl. €0.00 PayPal/card fee	Go to store
Eneba	gog.com Key 856972 Updated: 3:14 01.11.2026 In stock DRM: gog.com Region: Global		€1.58 incl. €0.49 PayPal/card fee	Go to store
driffle	gog.com Key 2420462 Updated: 3:38 01.11.2026 In stock DRM: gog.com Region: Global		€3.39 incl. €0.58 Card fee plus €0.08 PayPal fee	Go to store
Kinguin	gog.com Key 2333788 Updated: 3:29 01.11.2026 In stock DRM: gog.com Region: Global		€3.47 incl. €0.80 PayPal/card fee	Go to store
G2A	gog.com Key 3540260 Updated: 3:18 01.11.2026 In stock DRM: gog.com Region: Global	8 % Coupon GAMEFOREST8	€4.54€4.18	Go to store

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Released	25. February 2020
Type	Game
Website	to Website
Developer	Old Byte Apps
Publisher	Mega9Pixel
Steam rating	88 % positive from 796 reviews

Platform	PC
Genres	Strategy Turn-based strategy
Style	Retro Pixel art

Here you'll find a selection of the cheapest offers in the Mainframe Defenders CD Key: Compare Prices. Save time and money by using our overview of the best game store offers to find the best price and get to your desired key quickly. Offers from the major key shops are updated daily, so you can always find the best deal.

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Mainframe Defenders on Steam

Source: Steam

System requirements

Minimum

Requirement: Requires a 64-bit processor and operating system
Operating system *: Windows 7 or later
Processor: Intel Celeron
RAM: 2048 MB RAM
DirectX: Version 10
Storage: 200 MB available storage
Additional notes: Requires a 64-bit processor and operating system

Common questions about Mainframe Defenders

How much does Mainframe Defenders cost right now?

Mainframe Defenders currently costs from €0.49 at GOG.COM as GOG-Game key. We compare 21 available offers from 10 stores. As of 1. November 2026, 04:30.

Where is Mainframe Defenders cheapest?

The cheapest is Mainframe Defenders at GOG.COM, as GOG-Game key for €0.49.

Is a key or an account cheaper?

The cheapest GOG-Game key costs €0.49, the cheapest account €3.25. The GOG-Game key is therefore €2.76 cheaper.

Which platform do these offers apply to?

Offers for PC are compared. Check the edition, activation service and region on each offer.

Which languages are listed for this version?

Englisch, Russisch, Ungarisch, Deutsch, Portugiesisch – Portugal, Französisch, Italienisch, Spanisch – Spanien, Polnisch, Chinesisch (vereinfacht), Koreanisch, Japanisch, Brasilianisches Portugiesisch. The details don't distinguish between interface, subtitles and voice audio.

What are the minimum requirements for the PC version?

Operating system: Windows 7 or later
Processor: Intel Celeron
RAM: 2048 MB RAM
Storage: 200 MB available storage
Source: Steam product page.