How much revenue did Thief Gold (1999) make?

$511k–$1.4M after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Thief Gold (1999) sell?

Q: How many copies did Thief Gold (1999) sell?

266k to 432k copies, based on its 4k Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 266k–432k; $511k–$1.4M after Steam's cut $929k–$2.1M before Steam's cut; from 4k reviews (Very Positive)

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 Gold (1999) and predicted how it would do from its 8 similar games. Every figure here, including Thief Gold (1999)'s, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 1.3M–4.8M

best case 20.7M (The Elder Scrolls V: Skyrim Special Edition)

Games like Thief Gold (1999)

A typical game among these

≈ 1.3M–4.8M copies

≈ $8.7M–$38.4M after Steam's cut

from ~26k 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.

No genre covers most of these similar games. The closest is FPS (3 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: The Elder Scrolls V: Skyrim Special Edition at ≈ 15.8M–25.6M copies, ≈ $173.2M–$465.8M after Steam's cut.

The genre you'd be entering

These games: The similar games share FPS (3 of 8) and Horror (3 of 8).
The winners: Winners here lead with Open World + Fantasy, priced around $40.
When they shipped: The similar games span 2007 to 2020, and none of them 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

Game	Est. copies	Est. revenue	Price	Reviews	Tags
The Elder Scrolls V: Skyrim Special Edition 2016	Est. copies ≈ 15.8M–25.6M 15x vs typical SteamSpy 5M–10M	Est. revenue $173.2M–$465.8M after Steam's cut $315.0M–$716.6M before Steam's cut	$39.99	379k reviews Very Positive	Open WorldRPG
Mafia III: Definitive Edition 2020	Est. copies ≈ 1.6M–2.6M 2.5x vs typical SteamSpy 1M–2M	Est. revenue $13.2M–$35.5M after Steam's cut $24.0M–$54.6M before Steam's cut	$29.99	64k reviews Mixed	CrimeOpen World
Deus Ex: Game of the Year Edition 2007	Est. copies ≈ 992k–1.6M SteamSpy 1M–2M	Est. revenue $1.9M–$5.1M after Steam's cut $3.5M–$7.9M before Steam's cut	$6.99	16k reviews Very Positive	CyberpunkRPG
Crysis 2008	Est. copies ≈ 848k–1.4M SteamSpy 1M–2M	Est. revenue $7.0M–$18.8M after Steam's cut $12.7M–$28.9M before Steam's cut	$29.99	13k reviews Very Positive	FPSAction
Amnesia: The Dark Descent 2010	Est. copies ≈ 2.3M–3.7M SteamSpy 2M–5M	Est. revenue $12.4M–$33.4M after Steam's cut $22.6M–$51.4M before Steam's cut	$19.99	36k reviews Very Positive	HorrorGore
Vampire: The Masquerade - Bloodlines 2007	Est. copies ≈ 973k–1.6M SteamSpy 500k–1M	Est. revenue $5.3M–$14.4M after Steam's cut $9.7M–$22.1M before Steam's cut	$19.99	15k reviews Very Positive	RPGVampire
Metro 2033 Redux 2014	Est. copies ≈ 8.0M–12.9M 5.5x vs typical SteamSpy 5M–10M	Est. revenue $43.8M–$117.8M after Steam's cut $79.6M–$181.2M before Steam's cut	$19.99	142k reviews Very Positive	Post-apocalypticFPS
Hitman: Blood Money 2007	Est. copies ≈ 1.0M–1.7M SteamSpy 2M–5M	Est. revenue $2.8M–$7.5M after Steam's cut $5.1M–$11.6M before Steam's cut	$9.99	16k reviews Very Positive	StealthAction