Sickness sales estimate
Sickness is an action game by Zetsubou, released on Steam on January 20, 2016 at $9.99. It has 85 Steam reviews (Very Positive, 91% positive). Markan estimates it has sold between 3k and 8k copies on Steam, for $10k to $27k in net revenue.
Estimated lifetime sales and revenue
| Low | Medium | High | |
|---|---|---|---|
| Copies sold | 2,975 | 5,355 | 7,650 |
| Net revenue (USD) | $10,336 | $18,604 | $26,577 |
Steam doesn't publish sales. These estimates multiply the number of reviews by a factor that depends on the release year (the Boxleiter method). Net revenue is what's left of list price × sales after refunds, regional pricing, discounts, sales tax and Steam's 30% cut, before any publisher's share. Treat them as a ballpark for comparing games, not as reported figures.
Steam facts
| Developer | Zetsubou |
|---|---|
| Publisher | Unwonted Studios, Zetsubou |
| Release date | January 20, 2016 |
| Price | $9.99 (US list price) |
| Reviews | 85 · Very Positive · 91% positive |
| Genres | Action, Adventure, Indie, Simulation |
| Platforms | Windows, macOS, Linux |
| Links | Steam store page · Website |
Sickness is a visual novel centering around Suoh Tesla, an amoral high school student whose life is rapidly deteriorating. Following the deaths of his parents, a brief stay in the hospital, and the emergence of his “Sickness”, his daily life quickly devolves from carefree school days to a life of crime.From the Steam store page
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Compare Sickness with your own game
Markan is a free add-in for Google Sheets and Excel that turns games like these into a market analysis: your reference games, their sales and revenue estimates, and a projection for your own game. Install it, then paste this line into its search box to start with Sickness and the games above:
Steam IDs: 413870, 2431840, 1081510, 975000, 377670, 1985500, 1414250, 325120Or ask your AI assistant: Markan's data is also available to Claude, ChatGPT, Cursor and others through MCP.
Data from Steam, last updated by Markan on 2026-11-11.
