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Mainframe Defenders

Cheapest right now: $0.59 USD at Humble Store (90% off). 2 stores compared, checked 14 Oct 2026.

MAINFRAME DEFENDERS - Turn-based tactics centered around gear and unit customization. It offers simple combat, high replayability, and tons of loot. Items don't just provide stats boost, but also offer distinct mechanics that can be combined into powerful builds.

Genres: Indie, RPG, Strategy

Platforms: Windows, Linux

Steam Deck: Playable. Valve rates it as working on Steam Deck, but it may need some extra effort to set up or to use.

Current prices for Mainframe Defenders (USD)
StorePriceDiscount
Humble Store$0.5990%
Steam$0.6589%

Is it a good deal right now?

$0.59 USD at Humble Store is 90% off, a deep discount. We have no record low for Mainframe Defenders to compare it with. The regular price is $5.99, so $0.59 saves $5.40. The next cheapest store is Steam at $0.65, $0.06 more. The Steam discount ends on 23 October 2026 at 17:00 UTC.

Price history

There is no chart yet: we record a game's cheapest price each day from the first time it is looked at here, and a chart needs two days of prices. It appears on this page once we have them.

System requirements

Windows

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

Recommended

  • Requires a 64-bit processor and operating system
  • Additional Notes: Requires a 64-bit processor and operating system

Linux

Minimum

  • OS: Ubuntu 14.04 LTS
  • Processor: Intel Celeron
  • Memory: 2048 MB RAM
  • Storage: 200 MB available space
  • Additional Notes: Requires a 64-bit processor and operating system

Recommended

  • Additional Notes: Requires a 64-bit processor and operating system

As listed on the game's Steam page.

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