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Mainframe Defenders
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Mainframe Defenders

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.

Released · 2020-02-25

At a glance

About this game

Core game information and the store records it came from.

Title
Mainframe Defenders
Content
Game
Release date
2020-02-25
Developer
Synthetic Domain
Publisher
Synthetic Domain
Platforms
Windows, Linux
Steam Deck
Playable Valve's compatibility rating
Connected stores
2
GOG GOG source details
Store title
Mainframe Defenders
Product ID
1805307632
Developer
Synthetic Domain
Publisher
Synthetic Domain
Store release date
2020-02-25
Source checked
2026-11-10 05:14 UTC

Open official store page ↗

Steam Steam source details
Store title
Mainframe Defenders
Product ID
1184810
Developer
Synthetic Domain
Publisher
Synthetic Domain
Store platforms
Windows + Linux
Source checked
2026-11-08 15:39 UTC

Open official store page ↗

How you can play

Features and tags

Select a feature to find other games that have it.

Store tags

Genres

  • Indie
  • RPG
  • Strategy

Categories and genres from the Steam store, observed 2026-11-08. Store tags from Steam and GOG, as players and the store apply them.

Compare & explore

One game, connected stores

Each store keeps its own prices and observations. We prefer the latest recorded EUR price for Europa. When the displayed currency differs from the store amount, a separate approximate value may use the latest available ECB reference rate.

Some store links may be affiliate links. We may earn a commission from qualifying purchases, at no extra cost to you. This does not affect prices, ratings or rankings. How commercial links work.

Lumiri price context

Recorded price comparison

Matching store titles. One currency. One market.

EUR SE

Lowest recorded amount

0.49 EUR

GOG

Recorded 1 day ago

Difference between stores

4.41 EUR

Lowest to highest included amount.

2 comparable stores

Distance from observed low

At observed low

GOG listing only. Low: 0.49 EUR.

Last seen
Newest included record
Oldest included record

1 record is over 48 hours old.

2 included price records from 2 stores · 2 linked listings

See the 2 included observations
  • GOG history →Mainframe Defenders
    0.49 EUR
    1 day ago
  • Steam history →Mainframe Defenders
    4.90 EUR
    2 days ago · over 48 h old
How this comparison works

Only original EUR amounts recorded for SE and matching titles linked to this game are compared. Edition words and numbers must match. Other editions, source-market fallbacks and currency estimates are excluded.

These are recorded observations. Check the store for the current price, availability and included content. Historical lows belong to the named listing in this market and reflect the history Lumiri GameDB has collected.

Ratings at a glance

Community and editorial ratings

84/100

GOG rating

1 included source · 49 underlying reviews

GOG

GOG

84/100 4.2/5

84/100

49 user reviews · GOG user rating

Included in the combined rating.

Checked

View the rating chart · User sources need 10 reviews; verified editorial sources qualify directly. The combined score is the arithmetic mean of included sources, not weighted by review count.

Player activity

Observed Steam player history

Latest 1,000 points at most. Bucket averages; the first bucket is included in full. Summary averages are approximate.

Last observed Steam players
2
2026-11-08 15:43 UTC
Observed peak · all
2
Within the displayed history
All-time observed peak
2
· since Lumiri started observing
Average players · all
2
1 local samples · approximate for grouped data
First signal received

2 players observed

Observed player history is starting. The trend chart will appear automatically after the next collected sample.

View exact player observations
  • 2026-11-08 00:00: 2 average players

Observed by Lumiri GameDB during all. Times are UTC. Lines connect observations; gaps are not measured.

Open full player history

  • Samples: 1
  • Minimum: 2
  • Maximum: 2
  • Average: 2
Recorded prices

Price history · Steam

EUR observations for market SE. History belongs to the selected store listing; regional prices and taxes may differ.

Historical low observed by Lumiri GameDB: 4.90 EUR, last seen

View 1 recorded prices
  • 2026-11-08 15:39: 4.90 EUR

Prices observed by Lumiri GameDB in EUR.

Catalogue activity

Recent changes

Prices, release dates and store listing updates we detected. Repeated store refreshes are grouped.

  1. Store details updated GOG

    Title, product type, release date, availability, platforms, store details