Project Unknown
Short description
PROJECT UNKNOWN is a 1-4 online co-op horror game with unique playable characters and special abilities. Exorcise different ghosts, utilize a variety of tools, and immerse yourself in an experience full of horrifying visuals and complex mechanics.
- Developer
- PsychoRavens
- Publisher
- Nightmare Studios
- Release
- Fri, Jul 12, 2024
- Price
- $9.99
- Reviews
- 773
- Positive
- 82%
- Followers
- n/a
- Owners (estimated)
- 20K – 50K
- Concurrent players
- 42
- Genres
- Action, Adventure, Indie, Early Access
- Features
- Multi-player, Co-op, Online Co-op
- Tags
Review count and SteamSpy's owner range agree well enough to narrow the estimate down to this band. Multiplied by $9.88, the average price these copies actually sold for — weighted from the price history rather than taken from the $9.99 launch price. That is 1% below list price on average. Before Steam's cut, VAT and refunds. How these numbers are calculated.
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Media
History
2 data points since Aug 1, 2026. Gaps mean nothing changed — the value carries forward.
The revenue curve is an estimate, not a measurement. It is the only calculated series here: each interval takes the review growth of that period, multiplies it by the sales-per-review factor and by the price actually charged at the time, and adds the result to the running total. That is why it climbs more slowly through discount periods than the review curve next to it. The last point is the same figure quoted above — gross, before Steam's cut, VAT and refunds. How these numbers are calculated.
The blurred area is the rest of the history. 63 further data points reach back to Jul 1, 2024 — your plan shows the last 90 days of it. How far each series in particular reaches is written on its own chart; not every one of them goes back that far. The shape in the blurred area is decoration, not data: the figures are not in this page at all. Plus unlocks the complete series.
Lowest recorded price: $4.99 on Feb 10, 2025.
Similar games that found an audience
Games sharing at least 3 of this title's leading tags, with enough reviews to have gone somewhere. Ranked by how much they overlap, not by how big they are. − missing and + extra mark the tags each one does not share with Project Unknown. Studio counts the titles that developer has released — the closest thing to production scale that public data allows. It is not a budget, and nobody publishes those.
| Image | Name | Studio | Shared | Tag difference | Price | Reviews | Positive | Released | Revenue (estimated) |
|---|---|---|---|---|---|---|---|---|---|
|
Lost Lullabies: The Orphanage Chronicles | Pugsy Studios 3 titles | 6 | same tags | $10.99 | 455 | 70% | Mon, Oct 27, 2025 | $189k $86k – $189k |
|
Demonsomnia | Serhat Akgul first game | 6 | same tags | $13.99 | 279 | 33% | Tue, Aug 13, 2024 | $152k $67k – $1.2m |
|
Phasmophobia | Kinetic Games first game | 5 | − Early Access + Supernatural | $13.99 30% |
685,666 | 95% | Fri, Sep 18, 2020 | $297m $204m – $297m |
|
Escape the Backrooms | Blackbird Interactive 10 titles +1 | 5 | − Early Access + Survival Horror | $9.99 | 139,426 | 90% | Thu, Oct 23, 2025 | $50m $27.9m – $50m |
|
Backrooms: Escape Together | Triiodide Studios first game | 5 | − Early Access + Survival Horror | $9.99 | 43,065 | 89% | Tue, Oct 18, 2022 | $10m $8.6m – $10m |
There are more like this. Your plan shows the 5 closest neighbours; Plus and Pro show up to 100 — enough to see the shape of a niche instead of a sample of it.