How many copies did The Imagined Leviathan: Prologue sell?

4k to 6k copies, based on its 161 Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did The Imagined Leviathan: Prologue make?

The Imagined Leviathan: Prologue is free to play, so there is no copy-sales revenue to estimate.

How big is The Imagined Leviathan: Prologue?

Estimated owners: ≈ 4k–6k; from 161 reviews (Mostly 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 The Imagined Leviathan: Prologue out and predicted the genre from its 8 similar games. Every figure here, including The Imagined Leviathan: Prologue's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 27.4M–35.7M

best case 40.5M (Wallpaper Engine)

Games like The Imagined Leviathan: Prologue

The middle of these games

≈ 27.4M–35.7M copies

≈ $194.7M–$422.6M after Steam's cut

from ~588k 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.

Best case: Wallpaper Engine at ≈ 30.9M–50.1M copies, ≈ $42.3M–$113.8M after Steam's cut.

The genre you'd be entering

Your set: Your set clusters on Open World (6 of 8) and First-Person (3 of 8).
The winners: Winners here lead with Mature + Utilities, priced around $5.
The era: The games you compared span 2011 to 2020, 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
Wallpaper Engine 2018	Est. copies ≈ 30.9M–50.1M 1.7x vs typical SteamSpy 20M–50M	Est. revenue $42.3M–$113.8M after Steam's cut $77.0M–$175.1M before the cut	$4.99	1.0M reviews Overwhelmingly Positive	MatureUtilities
Cyberpunk 2077 2020	Est. copies ≈ 24.3M–39.4M 1.7x vs typical SteamSpy 20M–50M	Est. revenue $400.4M–$1076.6M after Steam's cut $728.1M–$1656.3M before the cut	$59.99	979k reviews Very Positive	CyberpunkOpen World
Portal 2 2011	Est. copies ≈ 29.5M–47.9M 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
The Forest 2018	Est. copies ≈ 20.7M–33.6M SteamSpy 20M–50M	Est. revenue $113.8M–$305.9M after Steam's cut $206.9M–$470.7M before the cut	$19.99	681k reviews Overwhelmingly Positive	Open World Survival CraftSurvival
The Elder Scrolls V: Skyrim Special Edition 2016	Est. copies ≈ 15.6M–25.4M SteamSpy 5M–10M	Est. revenue $172.0M–$462.5M after Steam's cut $312.8M–$711.6M before the cut	$39.99	376k reviews Very Positive	Open WorldRPG
Dying Light 2015	Est. copies ≈ 24.2M–39.2M SteamSpy 10M–20M	Est. revenue $166.0M–$446.3M after Steam's cut $301.8M–$686.6M before the cut	$24.99	495k reviews Overwhelmingly Positive	ZombiesSurvival Horror
Fallout 4 2015	Est. copies ≈ 20.9M–34.0M SteamSpy 10M–20M	Est. revenue $115.0M–$309.3M after Steam's cut $209.1M–$475.8M before the cut	$19.99	429k reviews Very Positive	Open WorldPost-apocalyptic
Red Dead Redemption 2 2019	Est. copies ≈ 26.4M–42.9M 1.6x vs typical SteamSpy 10M–20M	Est. revenue $435.5M–$1170.8M after Steam's cut $791.7M–$1801.2M before the cut	$59.99	917k reviews Very Positive	Open WorldStory Rich