Mainframe Defenders: Meltdown - Prologue
Mainframe Defenders: Meltdown - Prologue
Live player count and Steam charts
positive · 37 reviews
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.
DeveloperSynthetic Domain
PublisherSynthetic Domain
ReleasedJun 2, 2021
Runs onWindows, Linux
PriceFree to play
Player history
Jul 15Jul 16Jul 17Jul 18
Each point is the highest number of players online in that day (UTC). Recorded by Steamalytics every hour since July 14, 2026. Zoom in for finer detail.
Monthly player counts
* current month, data so far
| Month | Avg players | Gain | % gain | Peak |
|---|---|---|---|---|
| Jul 2026 * | 0 | — | — | 1 |
* current month, data so far
Recent updates
via Steam
- Dec 23, 2025Winter sale❄️
- Oct 6, 2025[ Lords of Ravage ] NO MERCY. NO HEROES! From October 15, 2025
- Sep 23, 2025Thanks for 2000 wishlists!
- Jun 30, 2025🖥Summer Sale × Synthetic Domain Wins Award🔬
- Feb 28, 2025[ 5th Anniversary ] 🤖Mainframe Defenders🤖 [90% off]
- Feb 19, 2025Super Bundles Blast sale!
Audience
English
57%
Russian
19%
Polish
8%
German
5%
Chinese (Simplified)
5%
Italian
3%
Other
3%
Language mix of 37 Steam reviews spanning 1839 days — a rough proxy for where the player base is.
