How many copies did Killer Instinct sell?

196k to 318k copies, based on its 6k Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did Killer Instinct make?

Killer Instinct is free to play, so there is no copy-sales revenue to estimate.

How big is Killer Instinct?

Estimated players who have it: ≈ 196k–318k; from 6k 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 Killer Instinct and predicted how it would do from its 8 similar games. Every figure here, including Killer Instinct's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 1.6M–2.7M

best case 4.3M (TEKKEN 7)

Games like Killer Instinct

A typical game among these

≈ 1.6M–2.7M copies

≈ $20.7M–$53.5M after Steam's cut

from ~56k 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: TEKKEN 7 at ≈ 3.3M–5.3M copies, ≈ $36.2M–$97.2M after Steam's cut.

The genre you'd be entering

These games: The similar games share Fighting (8 of 8) and 2D Fighter (6 of 8).
The winners: Winners here lead with Fighting + Competitive, priced around $40.
When they shipped: The similar games span 2016 to 2023, 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 52 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
Mortal Kombat Komplete Edition unreleased	Est. copies ≈ 468k–760k SteamSpy 1M–2M	Est. revenue Free	Free	19k reviews Very Positive	FightingGore
TEKKEN 7 2017	Est. copies ≈ 3.3M–5.3M 1.7x vs typical SteamSpy 2M–5M	Est. revenue $36.2M–$97.2M after Steam's cut $65.7M–$149.5M before Steam's cut	$39.99	96k reviews Very Positive	FightingAction
Street Fighter™ 6 2023	Est. copies ≈ 2.0M–3.2M SteamSpy 2M–5M	Est. revenue $21.8M–$58.7M after Steam's cut $39.7M–$90.3M before Steam's cut	$39.99	80k reviews Very Positive	2D FighterFighting
GUILTY GEAR -STRIVE- 2021	Est. copies ≈ 1.7M–2.7M SteamSpy 1M–2M	Est. revenue $18.3M–$49.1M after Steam's cut $33.2M–$75.6M before Steam's cut	$39.99	67k reviews Very Positive	Fighting2D Fighter
Injustice™ 2 2017	Est. copies ≈ 846k–1.4M SteamSpy 1M–2M	Est. revenue $11.6M–$31.3M after Steam's cut $21.1M–$48.1M before Steam's cut	$49.99	25k reviews Very Positive	FightingAction
DRAGON BALL FighterZ 2018	Est. copies ≈ 2.3M–3.8M SteamSpy 2M–5M	Est. revenue $38.6M–$103.7M after Steam's cut $70.1M–$159.5M before Steam's cut	$59.99	77k reviews Very Positive	FightingAnime
Street Fighter V 2016	Est. copies ≈ 1.8M–3.0M SteamSpy 2M–5M	Est. revenue $10.1M–$27.2M after Steam's cut $18.4M–$41.8M before Steam's cut	$19.99	44k reviews Mixed	FightingAction
Rivals of Aether 2017	Est. copies ≈ 1.3M–2.1M SteamSpy 1M–2M	Est. revenue $10.8M–$29.2M after Steam's cut $19.7M–$44.9M before Steam's cut	$29.99	38k reviews Overwhelmingly Positive	Fighting2D Fighter