How much revenue did Grandpa High on Retro make?

$121k–$324k after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Grandpa High on Retro sell?

Q: How many copies did Grandpa High on Retro sell?

55k to 89k copies, based on its 2k Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 55k–89k; $121k–$324k after Steam's cut $219k–$499k before Steam's cut; from 2k 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 Grandpa High on Retro and predicted how it would do from its 8 similar games. Every figure here, including Grandpa High on Retro's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 83k–1.4M

best case 2.3M (Dead Space)

Games like Grandpa High on Retro

A typical game among these

≈ 83k–1.4M copies

≈ $852k–$33.3M after Steam's cut

from ~5k 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: Dead Space at ≈ 1.8M–2.9M copies, ≈ $29.2M–$78.4M after Steam's cut.

What their first month looked like

About half the games that made it here had over 2k reviews in their first month; the range was 52 to 21k.

The genre you'd be entering

These games: The similar games share Action-Adventure (8 of 8) and Third-Person Shooter (8 of 8).
The winners: Winners here lead with Horror + Third-Person Shooter, priced around $60.
When they shipped: Only 2 of the 8 similar games shipped in the last two years. That says more about which games were found than about the market.

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 of about 31, 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
Dead Space 2023	Est. copies ≈ 1.8M–2.9M 14x vs typical SteamSpy 500k–1M	Est. revenue $29.2M–$78.4M after Steam's cut $53.0M–$120.7M before Steam's cut	$59.99	71k reviews Very Positive	HorrorThird-Person Shooter
Sniper Elite: Resistance 2025	Est. copies ≈ 155k–252k SteamSpy 50k–100k	Est. revenue $2.1M–$5.7M after Steam's cut $3.9M–$8.8M before Steam's cut	$49.99	6k reviews Mostly Positive	ActionAdventure
Squirrel with a Gun 2024	Est. copies ≈ 98k–160k SteamSpy 100k–200k	Est. revenue $541k–$1.5M after Steam's cut $983k–$2.2M before Steam's cut	$19.99	4k reviews Very Positive	ActionSimulation
Hitler is my crush 2023	Est. copies ≈ 60k–97k SteamSpy 50k–100k	Est. revenue $16k–$44k after Steam's cut $30k–$67k before Steam's cut	$0.99	2k reviews Very Positive	Side ScrollerHero Shooter
Marvel's Guardians of the Galaxy 2021	Est. copies ≈ 1.1M–1.8M 8.9x vs typical SteamSpy 500k–1M	Est. revenue $18.6M–$50.0M after Steam's cut $33.8M–$77.0M before Steam's cut	$59.99	45k reviews Very Positive	SingleplayerStory Rich
Rollerdrome 2022	Est. copies ≈ 57k–92k SteamSpy 200k–500k	Est. revenue $467k–$1.3M after Steam's cut $850k–$1.9M before Steam's cut	$29.99	2k reviews Very Positive	ActionSports
Ghostbusters: The Video Game Remastered 2020	Est. copies ≈ 65k–105k SteamSpy 200k–500k	Est. revenue $445k–$1.2M after Steam's cut $809k–$1.8M before Steam's cut	$24.99	3k reviews Very Positive	Third-Person ShooterAction
The Callisto Protocol™ 2022	Est. copies ≈ 1.1M–1.8M 8.6x vs typical SteamSpy 1M–2M	Est. revenue $17.9M–$48.1M after Steam's cut $32.5M–$74.0M before Steam's cut	$59.99	44k reviews Mixed	HorrorSci-fi