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How many copies did Supreme Ruler Ultimate sell?

Estimated copies sold
≈ 70k–114k
$386k–$1.0M after Steam's cut $701k–$1.6M before the cut
from 1k reviews (Mostly Positive)

A labeled estimate from the public review count (adjusted for release year), not exact sales. Owner data cross-checked with SteamSpy.

Does this actually work?

We left Supreme Ruler Ultimate out and predicted the genre from its 8 similar games. Every figure here, including Supreme Ruler Ultimate's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 2.2M–3.3M
best case 20.5M (Hearts of Iron IV)
Games like Supreme Ruler Ultimate

The middle of these games

≈ 2.2M–3.3M copies

≈ $29.5M–$53.9M after Steam's cut

from ~58k reviews

Only the top fifth of 2019’s Steam releases earned about $34k gross, so plan for that or less.

All 8 of your similar games are hits.

Best case: Hearts of Iron IV at ≈ 15.6M–25.4M copies, ≈ $214.5M–$576.7M after Steam's cut. A breakout hit, far above a typical game.

The genre you'd be entering
Your set
Your set clusters on Grand Strategy (8 of 8) and Historical (8 of 8).
The winners
Winners here lead with World War II + Grand Strategy, priced around $50. The breakout hits carry World War II + Alternate History + Military; a typical game here doesn't.
The era
The games you compared span 2006 to 2025, and 1 of your 7 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).

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