
Help Miyako and Kakeru track down a superpowered serial killer before they strike again.
Most likely between $1.1M and $3M. How we estimate →
9-nine-:Episode 1 has sold an estimated approximately 135.5K copies on Steam, for about approximately $1.8M in gross revenue.
About approximately 135.5K copies on Steam (mid estimate), modeled from its 2,023 reviews — high confidence. Not a figure the developer has reported.
About approximately $1.8M gross, most likely between approximately $1.1M and approximately $3M — roughly approximately $1.2M net to the developer after Steam's cut. High confidence. How we estimate →
Trends
Concurrent players on Steam, one reading a day at about 15:00 UTC since Aug 16, 2026. Before then readings were taken at different times of day, spanning 0 hours, and Steam concurrency runs about 1.8x higher at its daily high than at its low — so some of the movement across that stretch is the clock, not the game.
Copies: v2 off 31% on 33 stated games · Checked →Copies · previous model (v2): median error 31% on 33 developer-stated gamescurrent model (v3) was fitted on them, held-out about 27%How we checked →
Showing the last 90 days (the review-based charts: the last 4 monthly points). Full history and CSV export come with a free account.
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Related
| Game | Estimated lifetime revenue | Reviews | Review score | Price |
|---|---|---|---|---|
| approximately $1.8M | 11.7K | 96% | −30%$4.19reg. $5.99 | |
| approximately $1.8M | 3K | 57% | $14.99 | |
| approximately $1.8M | 1.6K | 76% | −40%$11.99reg. $19.99 | |
| approximately $1.8M | 920 | 32% | −90%$5.99reg. $59.99 | |
| approximately $1.8M | 18.6K | 86% | $4.99 | |
| approximately $1.8M | 1.9K | 60% | $19.99 |
Related
| Game | Estimated lifetime revenue | Reviews | Review score | Price |
|---|---|---|---|---|
| approximately $1.9M | 2.2K | 96% | $34.99 | |
| approximately $1.7M | 2K | 98% | $19.99 | |
| approximately $4.4M | 8.3K | 90% | −43%$5.69reg. $9.99 | |
| approximately $149.1K | 314 | 90% | $19.99 | |
| approximately $183.4K | 375 | 98% | $29.99 | |
| approximately $241.5K | 339 | 95% | $29.99 |