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Mainframe Defenders

Wishlist Follow Ignore Install Unwatch Watch
App ID 1184810
App Type Game
Developer
Publisher Synthetic Domain
Franchise Synthetic Domain, Mainframe Defenders, SZDT
Supported Systems Windows Linux
Technologies Unity Engine
Last Changenumber 29872773
Last Record Update 3 July 2025 – 05:32:11 UTC ()
Release Date 25 February 2020 – 21:42:11 UTC ()
😎 82.33%
706 reviews
1
In-Game

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.

Additional Information

Developer Synthetic Domain
community_visible_stats Yes
ReleaseState released
Publisher Synthetic Domain
Store Release Date 25 February 2020 – 21:42:21 UTC ()
osarch 64
community_hub_visible Yes
Social Media https://bsky.app/profile/syntheticdomain.bsky.social
https://discord.gg/teFDNrb
https://www.facebook.com/gaming/SyntheticDomain
https://www.instagram.com/syntheticdomain
https://www.linkedin.com/company/syntcheticdomain/
https://mastodon.gamedev.place/@SyntheticDomain
https://t.me/SyntheticDomain
https://www.threads.net/@syntheticdomain
https://www.tiktok.com/@syntheticdomain
https://www.tumblr.com/syntheticdomain
https://www.twitch.tv/syntheticdomain_
https://vk.com/syntheticd
https://x.com/SyntheticDomain
https://www.youtube.com/@syntheticdomain
Primary Genre Strategy (2)
Store Genres Indie (23), RPG (3), Strategy (2)
Steam Release Date 25 February 2020 – 21:42:11 UTC ()
Store Asset Modification Time 3 July 2025 – 05:31:54 UTC () (1751520714)
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osextended empty string
name_localized
schinese主机保卫队
tchinese主机保卫队
koreana메인프레임 수비대
japaneseメインフレーム・ディフェンダーズ
frenchDéfenseurs Mainframe
portugueseDefensores de Mainframe
brazilianDefensores de Mainframe
germanMainframe-Verteidiger
polishObrońcy Mainframe'ów
spanishDefensores de Mainframe
italianDifensori del Mainframe
review_score 8
review_percentage 87
Detected Technologies (?) Unity Engine, cURL SDK
controllertagwizard Yes
First seen on SteamDB 26 October 2019 – 03:25:29 UTC (), in changelist #7093814

Supported Languages

13 Languages Interface Full Audio Subtitles Achievements
English Yes Yes Yes
Russian Yes Yes Yes
Hungarian Yes Yes Yes
German Yes Yes Yes
Portuguese - Portugal Yes Yes Yes
French Yes Yes Yes
Italian Yes Yes Yes
Spanish - Spain Yes Yes Yes
Polish Yes Yes Yes
Simplified Chinese Yes Yes Yes
Korean Yes Yes Yes
Japanese Yes Yes Yes
Portuguese - Brazil Yes Yes Yes

Tags

🗺 Exploration 🛡️ Tactical RPG 👻 Traditional Roguelike 👻 Roguelite 🧱 Sandbox 👻 Roguelike 💡 Strategy 🎲 RPG 🏽 2D 🤖 Mechs 🌆 Isometric 🛡️ Turn-Based Combat 🔀 Procedural Generation 👾 Pixel Graphics 🪖 Military ☯ Minimalist 🌫 Atmospheric 🌆 Futuristic 📼 1990's 🎸 1980s

Categories

Single-player Steam Achievements Steam Trading Cards Family Sharing

Accessibility Categories

Adjustable Text Size Custom Volume Controls Playable without Timed Input Keyboard Only Option Mouse Only Option Touch Only Option Adjustable Difficulty Save Anytime

Assets

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timestamp3 July 2025 – 05:32:06 UTC
Trailers
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Steam charts

Share Compare
  • 1 players right now
  • 6 24-hour peak
  • 1,256 all-time peak 18 March 2025
SteamDB.info

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Store data

  • 4,550 followers
  • 618 positive reviews
  • 88 negative reviews
  • 87.54% positive reviews

Twitch stats

  • 0 viewers right now
  • 0 24-hour peak
  • 1,282 all-time peak
  •  

Owner estimations

Monthly players breakdown

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Steam hub followers history

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User reviews history

  • 😎 Very Positive
  • 82.33% SteamDB Rating
  • 618 87.5% positive reviews
  • 88 12.5% negative reviews

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Markers

Date Label 30-day Peak
25 February 2020 – 21:42 Steam Release -
3 July 2024 – 06:08 🆓 Free key giveaway -

Suggest new noteworthy markers in our Discord #forum.

How many players are playing Mainframe Defenders right now on Steam?

Steam player counter indicates there are currently 1 players live playing Mainframe Defenders on Steam.

Mainframe Defenders had an all-time peak of 1256 concurrent players on 18 March 2025.

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