How much revenue did Nippon Marathon make?

$45k–$120k after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Nippon Marathon sell?

Q: How many copies did Nippon Marathon sell?

11k to 18k copies, based on its 357 Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 11k–18k; $45k–$120k after Steam's cut $81k–$185k before Steam's cut; from 357 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 Nippon Marathon and predicted how it would do from its 8 similar games. Every figure here, including Nippon Marathon's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 53k–611k

best case 2.0M (SpeedRunners)

Games like Nippon Marathon

A typical game among these

≈ 53k–611k copies

≈ $233k–$9.9M after Steam's cut

from ~6k 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.

Best case: SpeedRunners at ≈ 1.5M–2.5M copies, ≈ $6.4M–$17.2M after Steam's cut.

What their first month looked like

About half the games that made it here had over 367 reviews in their first month; the range was 19 to 1k.

The genre you'd be entering

These games: The similar games share Racing (8 of 8) and Arcade (6 of 8).
The winners: Winners here lead with Racing + Competitive, priced around $15.
When they shipped: The similar games span 2013 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

Game	Est. copies	Est. revenue	Price	Reviews	Tags
SpeedRunners 2016	Est. copies ≈ 1.5M–2.5M 6.3x vs typical SteamSpy 2M–5M	Est. revenue $6.4M–$17.2M after Steam's cut $11.6M–$26.4M before Steam's cut	$14.99	37k reviews Very Positive	MultiplayerRacing
Horizon Chase Turbo 2018	Est. copies ≈ 181k–294k SteamSpy 200k–500k	Est. revenue Free	Free	6k reviews Very Positive	RacingArcade
Zeepkist 2021	Est. copies ≈ 43k–70k SteamSpy 50k–100k	Est. revenue $235k–$633k after Steam's cut $428k–$973k before Steam's cut	$19.99	2k reviews Overwhelmingly Positive	RacingArcade
Sonic & All-Stars Racing Transformed Collection 2013	Est. copies ≈ 1.1M–1.8M 3.0x vs typical SteamSpy 500k–1M	Est. revenue $6.2M–$16.7M after Steam's cut $11.3M–$25.7M before Steam's cut	$19.99	18k reviews Very Positive	RacingLocal Multiplayer
High Octane Drift 2016	Est. copies ≈ 244k–397k SteamSpy 1M–2M	Est. revenue Free	Free	6k reviews Mixed	RacingAutomobile Sim
DIRT 5 2020	Est. copies ≈ 174k–283k SteamSpy 200k–500k	Est. revenue $2.9M–$7.7M after Steam's cut $5.2M–$11.9M before Steam's cut	$59.99	7k reviews Mixed	RacingDriving
Super Woden GP 2 2023	Est. copies ≈ 25k–41k SteamSpy 100k–200k	Est. revenue $90k–$242k after Steam's cut $163k–$372k before Steam's cut	$12.99	1k reviews Very Positive	RacingSports
New Star™ GP 2024	Est. copies ≈ 32k–52k SteamSpy 50k–100k	Est. revenue $89k–$239k after Steam's cut $161k–$367k before Steam's cut	$9.99	1k reviews Very Positive	RacingSports