Backrooms Project: The lost file
Backrooms Project: The Lost File - it's a horror exploration game, with many puzzles
MoreLess
Estimated lifetime revenueLow confidence
approximately $1.2Kgross
$374low → high range$3.7K
Net to developerapproximately $827
Most likely between $374 and $3.7K. How we estimate →
Checked against 8 developer-reported gamesmedian error
Backrooms Project: The lost file has sold an estimated approximately 173 copies on Steam, for about approximately $1.2K in gross revenue.
How many copies has Backrooms Project: The lost file sold?
About approximately 173 copies on Steam (mid estimate), modeled from its 8 reviews — low confidence. Not a figure the developer has reported.
How much has Backrooms Project: The lost file made?
About approximately $1.2K gross, most likely between approximately $374 and approximately $3.7K — roughly approximately $827 net to the developer after Steam's cut. Low confidence. How we estimate →
Trends
Historical charts
Followers46
464646.846.546.2
Aug '26Sep '26
Steam followers (game-group members) tracked daily from when we started recording.