Mainframe Defenders: Meltdown - Prologue
| App ID | 1597790 |
| App Type | Game |
| Developer | Synthetic Domain |
| Publisher | Synthetic Domain |
| Franchise | Synthetic Domain, Mainframe Defenders |
| Supported Systems | Windows Linux |
| Technologies | Unity Engine |
| Last Changenumber | 31103579 |
| Last Record Update | 14 September 2025 – 14:40:51 UTC ( |
| Release Date | 3 June 2021 – 06:10:00 UTC ( |
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.
Play on Steam
Additional Information
This game is excluded from Steam Family Sharing because: Free Game
| Developer | Synthetic Domain | |||||||||||||||
| ReleaseState | released | |||||||||||||||
| Publisher | Synthetic Domain | |||||||||||||||
| IsFreeApp | Yes | |||||||||||||||
| Exclude from family sharing (exfgls) | 3 (Free Game) | |||||||||||||||
| Store Release Date | 3 June 2021 – 06:10:00 UTC ( |
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| osarch | empty string | |||||||||||||||
| community_hub_visible | Yes | |||||||||||||||
| Social Media | https://bsky.app/profile/syntheticdomain.bsky.social https://discord.com/invite/d7bvmbJz6h https://www.facebook.com/gaming/SyntheticDomain https://www.instagram.com/syntheticdomain https://www.linkedin.com/company/syntcheticdomain https://t.me/SyntheticDomain https://www.threads.net/@syntheticdomain https://www.tiktok.com/@syntheticdomain https://vk.com/synthetic_dom https://x.com/SyntheticDomain https://www.youtube.com/@syntheticdomain |
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| Primary Genre | Free to Play (37) | |||||||||||||||
| Store Genres | Indie (23), Strategy (2), Free to Play (37) | |||||||||||||||
| Steam Release Date | 3 June 2021 – 06:10:00 UTC ( |
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| Store Asset Modification Time | 24 January 2025 – 20:58:48 UTC ( |
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| library_assets |
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| osextended | empty string | |||||||||||||||
| Is free on the store? | Yes | |||||||||||||||
| review_score | 7 | |||||||||||||||
| review_percentage | 97 | |||||||||||||||
| Detected Technologies (?) | Unity Engine, cURL SDK | |||||||||||||||
| First seen on SteamDB | 6 April 2021 – 13:14:05 UTC ( |
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Supported Languages
| 12 Languages | Interface | Full Audio | Subtitles |
|---|---|---|---|
| English | Yes | Yes | |
| French | Yes | Yes | |
| Italian | Yes | Yes | |
| German | Yes | Yes | |
| Spanish - Spain | Yes | Yes | |
| Hungarian | Yes | Yes | |
| Simplified Chinese | Yes | Yes | |
| Korean | Yes | Yes | |
| Polish | Yes | Yes | |
| Portuguese - Portugal | Yes | Yes | |
| Russian | Yes | Yes | |
| Japanese | Yes | Yes |
Assets
Load all asset images
| trailer_name | Trailer |
| trailer_category | 0 |
| trailer_480p ↴ | |
| video/webm | 256832023/movie480_vp9.webm |
| video/mp4 | 256832023/movie480.mp4 |
| trailer_max ↴ | |
| video/webm | 256832023/movie_max_vp9.webm |
| video/mp4 | 256832023/movie_max.mp4 |
| microtrailer ↴ | |
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| video/mp4 | 1597790/364584/01cbf42d19b0d2e23143ecb70fe84eccb66688f9/1751008139/microtrailer.mp4 |
| adaptive_trailers ↴ | |
| dash_av1 | 1597790/364584/01cbf42d19b0d2e23143ecb70fe84eccb66688f9/1751008139/dash_av1.mpd |
| dash_h264 | 1597790/364584/01cbf42d19b0d2e23143ecb70fe84eccb66688f9/1751008139/dash_h264.mpd |
| hls_h264 | 1597790/364584/01cbf42d19b0d2e23143ecb70fe84eccb66688f9/1751008139/hls_264_master.m3u8 |
| screenshot_medium | 256832023/movie.293x165.jpg |
| screenshot_full | 256832023/movie_full.jpg |
| all_ages | true |
| is_highlight | true |
| timestamp | 8 May 2021 – 20:26:36 UTC |
| trailer_name | Gameplay |
| trailer_category | 0 |
| trailer_480p ↴ | |
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| video/mp4 | 256832030/movie480.mp4 |
| trailer_max ↴ | |
| video/webm | 256832030/movie_max_vp9.webm |
| video/mp4 | 256832030/movie_max.mp4 |
| microtrailer ↴ | |
| video/webm | 1597790/364593/d0ee70428b87759eff08c9696e70c4e4be27f40f/1751008143/microtrailer.webm |
| video/mp4 | 1597790/364593/d0ee70428b87759eff08c9696e70c4e4be27f40f/1751008143/microtrailer.mp4 |
| adaptive_trailers ↴ | |
| dash_av1 | 1597790/364593/d0ee70428b87759eff08c9696e70c4e4be27f40f/1751008143/dash_av1.mpd |
| dash_h264 | 1597790/364593/d0ee70428b87759eff08c9696e70c4e4be27f40f/1751008143/dash_h264.mpd |
| hls_h264 | 1597790/364593/d0ee70428b87759eff08c9696e70c4e4be27f40f/1751008143/hls_264_master.m3u8 |
| screenshot_medium | 256832030/movie.293x165.jpg |
| screenshot_full | 256832030/movie_full.jpg |
| all_ages | true |
| is_highlight | true |
| timestamp | 8 May 2021 – 20:26:44 UTC |
| trailer_name | Trailer_2 |
| trailer_category | 0 |
| trailer_480p ↴ | |
| video/webm | 256832100/movie480_vp9.webm |
| video/mp4 | 256832100/movie480.mp4 |
| trailer_max ↴ | |
| video/webm | 256832100/movie_max_vp9.webm |
| video/mp4 | 256832100/movie_max.mp4 |
| microtrailer ↴ | |
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| video/mp4 | 1597790/364721/d1194c258f3246638419c3b5696732b281bb7eac/1751008143/microtrailer.mp4 |
| adaptive_trailers ↴ | |
| dash_av1 | 1597790/364721/d1194c258f3246638419c3b5696732b281bb7eac/1751008143/dash_av1.mpd |
| dash_h264 | 1597790/364721/d1194c258f3246638419c3b5696732b281bb7eac/1751008143/dash_h264.mpd |
| hls_h264 | 1597790/364721/d1194c258f3246638419c3b5696732b281bb7eac/1751008143/hls_264_master.m3u8 |
| screenshot_medium | 256832100/movie.293x165.jpg |
| screenshot_full | 256832100/movie_full.jpg |
| all_ages | true |
| is_highlight | true |
| timestamp | 8 May 2021 – 20:26:51 UTC |
