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How many copies did Thief Simulator VR sell?

Estimated copies sold
≈ 37k–59k
$201k–$540k after Steam's cut $365k–$830k before Steam's cut
from 1k reviews (Mixed)

Copies are estimated from the public review count, adjusted for release year, and cross-checked against SteamSpy's own estimate.

Did the prediction match what actually happened?

We hid Thief Simulator VR and predicted how it would do from its 8 similar games. Every figure here, including Thief Simulator VR's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 15.9M–29.4M
best case 105.1M (Garry's Mod)
Games like Thief Simulator VR

A typical game among these

≈ 15.9M–29.4M copies

≈ $294.6M–$374.6M after Steam's cut

from ~470k reviews

Only the top fifth of 2019's Steam releases earned $34k or more before Steam's cut, so plan for that or less.

All 8 of the similar games are hits.

These similar games lean toward the genre's biggest winners; the typical figure comes from its ordinary successes.

No genre covers most of these similar games. The closest is Open World (4 of 8), so its genre is hard to place.

Of the 416 indie games that passed 1,000 reviews in 2022, 11.8% were novel genre mixes and 88.2% stuck to an established genre. Published indie market research.

Best case: Garry's Mod at ≈ 80.0M–130.1M copies, ≈ $219.9M–$591.3M after Steam's cut. It is a breakout hit, far above a typical game.

The genre you'd be entering
These games
The similar games share Open World (4 of 8) and Post-apocalyptic (3 of 8).
The winners
Winners here lead with Simulation + Vehicular Combat, priced around $12. The breakout hits carry Simulation; a typical game here doesn't.
When they shipped
The similar games span 2006 to 2024, and 1 of the 8 shipped in the last two years.
How these numbers were worked out

A hit here: 1,000+ reviews, roughly $150k+ before Steam's cut (a standard indie benchmark).

Copies come from each game's reviews times a sales-per-review rate that falls with release age, from about 31 for the most recent game here to about 79 for the oldest, then widened into a range; revenue rides on that estimate times price. Source: GameDiscoverCo (2020) and VG Insights (2021).

Similar games

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Est. copies
≈ 49.7M–80.7M
1.7x vs typical
SteamSpy 20M–50M
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2013
Est. copies
≈ 42.7M–69.3M
SteamSpy 20M–50M
Est. revenue
$117.2M–$315.1M after Steam's cut $213.1M–$484.7M before Steam's cut
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Co-opAction
Stardew Valley
2016
Est. copies
≈ 43.5M–70.7M
2.2x vs typical
SteamSpy 20M–50M
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$179.4M–$482.4M after Steam's cut $326.2M–$742.1M before Steam's cut
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Farming SimPixel Graphics
DayZ
2018
Est. copies
≈ 14.3M–23.2M
SteamSpy 10M–20M
Est. revenue
$196.4M–$527.9M after Steam's cut $357.0M–$812.2M before Steam's cut
$49.99
470k reviews
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SurvivalOpen World
Garry's Mod
2006
Est. copies
≈ 80.0M–130.1M
2.7x vs typical
SteamSpy 20M–50M
Est. revenue
$219.9M–$591.3M after Steam's cut $399.8M–$909.6M before Steam's cut
$9.99
1.3M reviews
Overwhelmingly Positive
SandboxModdable
Euro Truck Simulator 2
2012
Est. copies
≈ 59.7M–97.0M
2.0x vs typical
SteamSpy 10M–20M
Est. revenue
$328.0M–$881.9M after Steam's cut $596.4M–$1356.8M before Steam's cut
$19.99
944k reviews
Overwhelmingly Positive
DrivingTransportation
7 Days to Die
2024
Est. copies
≈ 9.9M–16.2M
SteamSpy 10M–20M
Est. revenue
$123.1M–$331.0M after Steam's cut $223.8M–$509.2M before Steam's cut
$44.99
401k reviews
Very Positive
SurvivalZombies
Project Zomboid
2013
Est. copies
≈ 30.5M–49.6M
SteamSpy 10M–20M
Est. revenue
$209.9M–$564.4M after Steam's cut $381.6M–$868.2M before Steam's cut
$24.99
483k reviews
Very Positive
SurvivalZombies

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