How much revenue did Quantum Conundrum make?

$336k–$904k after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Quantum Conundrum sell?

Q: How many copies did Quantum Conundrum sell?

136k to 221k copies, based on its 2k Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 136k–221k; $336k–$904k after Steam's cut $612k–$1.4M before the cut; from 2k reviews (Very 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 Quantum Conundrum out and predicted the genre from its 8 similar games. Every figure here, including Quantum Conundrum's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 623k–891k

best case 38.7M (Portal 2)

Games like Quantum Conundrum

The middle of these games

≈ 623k–891k copies

≈ $2.6M–$4.2M after Steam's cut

from ~17k 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.

Your picks lean toward this genre's biggest survivors; the typical figure reads from its ordinary successes.

Best case: Portal 2 at ≈ 29.5M–47.9M copies, ≈ $80.9M–$217.6M after Steam's cut. A breakout hit, far above a typical game.

The genre you'd be entering

Your set: Your set clusters on Puzzle (7 of 8) and Puzzle-Platformer (6 of 8).
The winners: Winners here lead with Puzzle, priced around $20.
The era: The games you compared span 2007 to 2021, 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 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
Supraland 2019	Est. copies ≈ 443k–719k SteamSpy 500k–1M	Est. revenue $2.4M–$6.5M after Steam's cut $4.4M–$10.1M before the cut	$19.99	15k reviews Overwhelmingly Positive	Puzzle-PlatformerExploration
Little Nightmares 2017	Est. copies ≈ 4.0M–6.5M 6.7x vs typical SteamSpy 5M–10M	Est. revenue $22.0M–$59.3M after Steam's cut $40.1M–$91.2M before the cut	$19.99	117k reviews Very Positive	HorrorAtmospheric
Refunct 2015	Est. copies ≈ 852k–1.4M SteamSpy 200k–500k	Est. revenue $701k–$1.9M after Steam's cut $1.3M–$2.9M before the cut	$2.99	17k reviews Overwhelmingly Positive	Parkour3D Platformer
It Takes Two 2021	Est. copies ≈ 6.7M–10.8M 15x vs typical SteamSpy 5M–10M	Est. revenue $73.4M–$197.4M after Steam's cut $133.5M–$303.6M before the cut	$39.99	269k reviews Overwhelmingly Positive	Co-opMultiplayer
The Last Campfire 2021	Est. copies ≈ 506k–822k SteamSpy 500k–1M	Est. revenue $2.1M–$5.6M after Steam's cut $3.8M–$8.6M before the cut	$14.99	20k reviews Overwhelmingly Positive	PuzzleAdventure
Portal 2 2011	Est. copies ≈ 29.5M–47.9M 27x vs typical SteamSpy 5M–10M	Est. revenue $80.9M–$217.6M after Steam's cut $147.2M–$334.8M before the cut	$9.99	466k reviews Overwhelmingly Positive	Platformer Puzzle
Human Fall Flat 2016	Est. copies ≈ 9.4M–15.3M 13x vs typical SteamSpy 10M–20M	Est. revenue $51.8M–$139.4M after Steam's cut $94.2M–$214.4M before the cut	$19.99	227k reviews Very Positive	Co-opFunny
Portal 2007	Est. copies ≈ 12.6M–20.4M 11x vs typical SteamSpy 10M–20M	Est. revenue $34.5M–$92.8M after Steam's cut $62.8M–$142.8M before the cut	$9.99	199k reviews Overwhelmingly Positive	PuzzlePuzzle-Platformer