The Hollow Line
Can you escape the tunnels? An AI-powered buddy is following you as you discover the seemingly never-ending network of tunnels. Get ready for a personalized and unique experience at The Hollow Line.
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Estimated lifetime revenueLow confidence
—gross
—
Modeled estimate, not a reported figure. How we estimate →
Checked against 8 developer-reported gamesmedian error 11%See the anchors →
Est. copies sold
approximately 0
mid estimate
Reviews
0
Concurrent players
Trends
Historical charts
Followers2
222.82.52.2
Aug '26Sep '26
Steam followers (game-group members) tracked daily from when we started recording.
Showing the last 90 days (the review-based charts: the last 4 monthly points). Full history and CSV export come with a free account.
Momentum
Selling now
Reviews / day
+0
last 7 days
Reviews / day
+0
last 30 days
Pace estimated from the game's recent review growth (our daily snapshots) at its own sales-per-review ratio — a momentum signal, not booked sales.
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