How many copies did Hayfever sell?

2k to 3k copies, based on its 66 Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did Hayfever make?

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

How big is Hayfever?

Estimated players who have it: ≈ 2k–3k; from 66 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 Hayfever and predicted how it would do from its 8 similar games. Every figure here, including Hayfever's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 2k–3k

best case 3.3M (Super Meat Boy)

Games like Hayfever

A typical game among these

≈ 2k–3k copies

≈ $3k–$14k after Steam's cut

from ~62 reviews

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

1 of the 8 similar games is a hit.

Best case: Super Meat Boy at ≈ 2.5M–4.0M copies, ≈ $10.2M–$27.5M after Steam's cut. It is a breakout hit, far above a typical game.

What their first month looked like

About half the games that made it here had over 29 reviews in their first month; the range was 2 to 73.

Games with under about 100 reviews in month one almost never recover.

The genre you'd be entering

These games: The similar games share Platformer (7 of 8) and Precision Platformer (6 of 8).
The winners: Winners here lead with Precision Platformer + Platformer, priced around $15. The breakout hits carry Pixel Graphics + Indie + 2D Platformer; a typical game here doesn't.
When they shipped: The similar games span 2010 to 2025, and 2 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
SATORI 2021	Est. copies ≈ 1k–2k SteamSpy under 20k	Est. revenue $3k–$7k after Steam's cut $5k–$11k before Steam's cut	$7.99	50 reviews Mostly Positive	ParkourFirst-Person
Super Meat Boy 2010	Est. copies ≈ 2.5M–4.0M 633x vs typical SteamSpy 2M–5M	Est. revenue $10.2M–$27.5M after Steam's cut $18.6M–$42.3M before Steam's cut	$14.99	39k reviews Very Positive	Precision Platformer Platformer
Rocket Boots Mania 2025	Est. copies ≈ 7k–11k 4.5x vs typical SteamSpy under 20k	Est. revenue $28k–$76k after Steam's cut $51k–$117k before Steam's cut	$14.99	276 reviews Very Positive	SportsParkour
Sockventure 2021	Est. copies ≈ 2k–4k SteamSpy under 20k	Est. revenue $9k–$25k after Steam's cut $17k–$38k before Steam's cut	$14.99	90 reviews Very Positive	Precision Platformer Platformer
Seafrog 2025	Est. copies ≈ 2k SteamSpy under 20k	Est. revenue $6k–$17k after Steam's cut $12k–$26k before Steam's cut	$14.99	62 reviews Very Positive	PlatformerExploration
Super Lumi Live 2017	Est. copies ≈ 1k–2k SteamSpy under 20k	Est. revenue $734–$2k after Steam's cut $1k–$3k before Steam's cut	$1.99	39 reviews Positive	Precision Platformer Platformer
Quadrobat 2022	Est. copies ≈ 223–363 SteamSpy under 20k	Est. revenue $183–$494 after Steam's cut $333–$760 before Steam's cut	$2.99	9 reviews 9 user reviews	Precision PlatformerDifficult
Panic Porcupine 2022	Est. copies ≈ 2k–3k SteamSpy under 20k	Est. revenue $5k–$12k after Steam's cut $8k–$19k before Steam's cut	$7.99	85 reviews Very Positive	Precision PlatformerDifficult