Mainframe Defenders: Meltdown - Prologue
Developed by Synthetic Domain · Published by Synthetic Domain
At a glance
Overview
An indie, strategy, free to play game by Synthetic Domain, published by Synthetic Domain — single-player.
Steam’s own one-line description: “Mainframe Defenders: Meltdown - Prologue is a free version of the turn-based tactical game Mainframe Defenders with a focus on interesting items and customization. Combine upgrades and collected loot to protect the Stargazer complex.” — developer/publisher text via the Steam store page.
Reception & community
Review sentiment, ownership and peak-concurrent estimates via SteamSpy; tags are player-voted on Steam. Estimates change over time.
Features & modes
Derived from the gameplay modes and feature categories Steam lists for Mainframe Defenders: Meltdown - Prologue.
| Feature | Supported |
|---|---|
| Single-player | Yes |
| Multiplayer | No |
| Co-op | No |
| Online co-op | No |
| PvP | No |
| Cross-platform multiplayer | No |
| Full controller support | No |
| Partial controller support | No |
| Steam Cloud saves | No |
| Steam Achievements | No |
System requirements (PC)
As published on the Steam store page. Requirements can change between updates.
Minimum
- 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
- Additional Notes: Requires a 64-bit processor and operating system
Supported languages (12)
Mainframe Defenders: Meltdown - Prologue FAQ
Answered from the official Steam listing as of June 2026. Where something hasn't been announced, we say so rather than guess.
What kind of game is Mainframe Defenders: Meltdown - Prologue?
Steam classifies Mainframe Defenders: Meltdown - Prologue as a Indie, Strategy, Free To Play game, developed by Synthetic Domain. Mainframe Defenders: Meltdown - Prologue is a free version of the turn-based tactical game Mainframe Defenders with a focus on interesting items and customization. Combine upgrades and collected loot to protect the Stargazer complex.
Is Mainframe Defenders: Meltdown - Prologue free to play?
Yes — Steam lists Mainframe Defenders: Meltdown - Prologue as Free to Play.
Is Mainframe Defenders: Meltdown - Prologue single-player or multiplayer?
Steam lists these modes for Mainframe Defenders: Meltdown - Prologue: Single-player. It lists a single-player mode.
Is Mainframe Defenders: Meltdown - Prologue on PlayStation, Xbox, or Switch?
Our data comes from the Steam (PC) store, which lists Mainframe Defenders: Meltdown - Prologue for Windows, Linux. Console availability isn’t in our Steam-sourced data — check the official site or the console store.
Is Mainframe Defenders: Meltdown - Prologue out yet?
Yes — Steam lists a release date of Jun 2, 2021.
What platforms is Mainframe Defenders: Meltdown - Prologue on?
Mainframe Defenders: Meltdown - Prologue is listed for Windows, Linux on the Steam (PC) store. Console availability isn't covered by Steam's PC store data — check the official channels.
Is Mainframe Defenders: Meltdown - Prologue single-player or multiplayer?
Steam lists these modes: Single-player.
How much does Mainframe Defenders: Meltdown - Prologue cost?
It's free to play, per Steam.
Who made Mainframe Defenders: Meltdown - Prologue?
Mainframe Defenders: Meltdown - Prologue is developed by Synthetic Domain and published by Synthetic Domain.
Where to get Mainframe Defenders: Meltdown - Prologue
We don't sell games or track prices — this links to the official Steam store page.
View on Steam →Listing details from Valve's public Steam store data · official site. Not affiliated with Valve/Steam, Synthetic Domain.