How much revenue did Unbound: Worlds Apart Prologue make?

Unbound: Worlds Apart Prologue is free to play, so there is no copy-sales revenue to estimate.

How many copies did Unbound: Worlds Apart Prologue sell?

Q: How many copies did Unbound: Worlds Apart Prologue sell?

22k to 35k copies, based on its 867 Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 22k–35k; from 867 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 Unbound: Worlds Apart Prologue and predicted how it would do from its 8 similar games. Every figure here, including Unbound: Worlds Apart Prologue's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 17.9M–38.0M

best case 40.7M (Wallpaper Engine)

Games like Unbound: Worlds Apart Prologue

A typical game among these

≈ 17.9M–38.0M copies

≈ $85.4M–$95.3M after Steam's cut

from ~572k 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.

No genre covers most of these similar games. The closest is Co-op (4 of 8), so its genre is hard to place.

Of the 416 indie games that passed 1,000 reviews in 2022, 11.8% were novel genre mixes and 88.2% stuck to an established genre. Published indie market research.

Best case: Wallpaper Engine at ≈ 31.0M–50.3M copies, ≈ $42.5M–$114.3M after Steam's cut.

The genre you'd be entering

These games: The similar games share Co-op (4 of 8) and Crafting (3 of 8).
The winners: Winners here lead with Mature + Utilities, priced around $5.
When they shipped: The similar games span 2014 to 2022, 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 70 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 ≈ 31.0M–50.3M 1.8x vs typical SteamSpy 20M–50M	Est. revenue $42.5M–$114.3M after Steam's cut $77.3M–$175.9M before Steam's cut	$4.99	1.0M reviews Overwhelmingly Positive	MatureUtilities
Bloons TD 6 2018	Est. copies ≈ 12.0M–19.6M SteamSpy 2M–5M	Est. revenue $46.3M–$124.5M after Steam's cut $84.2M–$191.5M before Steam's cut	$13.99	396k reviews Overwhelmingly Positive	Tower DefenseStrategy
Raft 2022	Est. copies ≈ 9.4M–15.3M SteamSpy 10M–20M	Est. revenue $51.7M–$139.0M after Steam's cut $94.0M–$213.8M before Steam's cut	$19.99	379k reviews Very Positive	SurvivalMultiplayer
Unturned 2017	Est. copies ≈ 19.4M–31.6M SteamSpy 50M–100M	Est. revenue Free	Free	565k reviews Very Positive	Free to PlaySurvival
ARK: Survival Evolved 2017	Est. copies ≈ 26.8M–43.5M SteamSpy 20M–50M	Est. revenue $110.4M–$296.8M after Steam's cut $200.7M–$456.6M before Steam's cut	$14.99	779k reviews Very Positive	Open World Survival CraftSurvival
Geometry Dash 2014	Est. copies ≈ 36.2M–58.9M SteamSpy 5M–10M	Est. revenue $49.7M–$133.7M after Steam's cut $90.4M–$205.7M before Steam's cut	$4.99	647k reviews Very Positive	DifficultMusic
Rocket League® 2015	Est. copies ≈ 28.3M–46.0M SteamSpy 10M–20M	Est. revenue Free	Free	580k reviews Very Positive	MultiplayerFootball (Soccer)
Brawlhalla 2017	Est. copies ≈ 14.2M–23.1M SteamSpy 20M–50M	Est. revenue Free	Free	413k reviews Mostly Positive	Free to PlayMultiplayer