| App ID | 4292170 |
| App Type | Game |
| Store Name | Planet Nine |
| Developer | haizai |
| Publisher | RED GAUGE STUDIO |
| Supported Systems | Windows macOS |
| Last Changenumber | 39072422 |
| Last Record Update | 21 September 2026 – 19:23:51 UTC ( |
| Release Date | 9 September 2026 – 07:01:54 UTC ( |
Out there somewhere, but nobody has found it — a planet merge puzzle themed around "Planet Nine" 🚀 Launch planets like billiard balls and merge matching ones, growing from tiny Mercury toward the ninth planet 🌟 3-5 minutes per run, played with a mouse. Scores go to global leaderboards 🪐
Additional Information
| Developer | haizai | |||||||||||||||||||||||||||||||||||
| controller_support | partial | |||||||||||||||||||||||||||||||||||
| community_visible_stats | Yes | |||||||||||||||||||||||||||||||||||
| ReleaseState | released | |||||||||||||||||||||||||||||||||||
| Publisher | RED GAUGE STUDIO | |||||||||||||||||||||||||||||||||||
| Store Release Date | 9 September 2026 – 07:01:56 UTC ( |
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| osarch | 64 | |||||||||||||||||||||||||||||||||||
| community_hub_visible | Yes | |||||||||||||||||||||||||||||||||||
| Social Media | https://x.com/haiz_ai |
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| Primary Genre | Casual (4) | |||||||||||||||||||||||||||||||||||
| Store Genres | Casual (4) | |||||||||||||||||||||||||||||||||||
| Steam Release Date | 9 September 2026 – 07:01:54 UTC ( |
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| Store Asset Modification Time | 6 September 2026 – 19:41:48 UTC ( |
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| library_assets |
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| osextended | macos64,macosapplesilicon,macosnotarized | |||||||||||||||||||||||||||||||||||
| name_localized |
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| controllertagwizard | Yes | |||||||||||||||||||||||||||||||||||
| AI Content Type | 1 | |||||||||||||||||||||||||||||||||||
| First seen on SteamDB | 29 December 2025 – 18:57:50 UTC ( |
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Supported Languages
| 17 Languages | Interface | Full Audio | Subtitles | Achievements |
|---|---|---|---|---|
| English | Yes | Yes | ||
| French | Yes | Yes | ||
| German | Yes | Yes | ||
| Spanish - Spain | Yes | Yes | ||
| Spanish - Latin America | Yes | Yes | ||
| Portuguese - Brazil | Yes | Yes | ||
| Russian | Yes | Yes | ||
| Simplified Chinese | Yes | Yes | ||
| Traditional Chinese | Yes | Yes | ||
| Japanese | Yes | Yes | ||
| Korean | Yes | Yes | ||
| Italian | Yes | Yes | ||
| Indonesian | Yes | Yes | ||
| Danish | Yes | Yes | ||
| Turkish | Yes | Yes | ||
| Portuguese - Portugal | Yes | Yes | ||
| Polish | Yes | Yes |
Tags
Categories
Hardware Categories
Assets
Load all asset images
| trailer_name | Launch Trailer |
| trailer_category | 3 |
| microtrailer ↴ | |
| video/webm | 4292170/2101443388/8df50a0185fab16c8937258dd9bcf8f83218c6f3/1788219569/microtrailer.webm |
| video/mp4 | 4292170/2101443388/8df50a0185fab16c8937258dd9bcf8f83218c6f3/1788219569/microtrailer.mp4 |
| adaptive_trailers ↴ | |
| dash_av1 | 4292170/2101443388/8df50a0185fab16c8937258dd9bcf8f83218c6f3/1788219569/dash_av1.mpd |
| dash_h264 | 4292170/2101443388/8df50a0185fab16c8937258dd9bcf8f83218c6f3/1788219569/dash_h264.mpd |
| hls_h264 | 4292170/2101443388/8df50a0185fab16c8937258dd9bcf8f83218c6f3/1788219569/hls_264_master.m3u8 |
| screenshot_medium | 257414283/e65d225fc275e584210c74b768a9fe47071337ba/movie_600x337.jpg |
| screenshot_full | 257414283/e65d225fc275e584210c74b768a9fe47071337ba/movie_full.jpg |
| all_ages | true |
| is_highlight | true |
| timestamp | 1 September 2026 – 00:03:00 UTC |
Steam charts
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- 0 players right now
- 2 24-hour peak
- 9 all-time peak
9 September 2026
SteamDB.info
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Store data
Twitch stats
- 0 viewers right now
- 0 24-hour peak
- 16 all-time peak
-
Monthly players breakdown
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Steam hub followers history
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User reviews history
How many players are playing 第九惑星 right now on Steam?
Steam player counter indicates there are currently 0 players live playing 第九惑星 on Steam.
第九惑星 had an all-time peak of 9 concurrent players on 9 September 2026.
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