How many copies did The Riftbreaker: Prologue sell?

102k to 166k copies, based on its 4k Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did The Riftbreaker: Prologue make?

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

How big is The Riftbreaker: Prologue?

Estimated players who have it: ≈ 102k–166k; from 4k reviews (Overwhelmingly 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 The Riftbreaker: Prologue and predicted how it would do from its 8 similar games. Every figure here, including The Riftbreaker: Prologue's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 38k–633k

best case 4.5M (V Rising)

Games like The Riftbreaker: Prologue

A typical game among these

≈ 38k–633k copies

≈ $359k–$8.0M after Steam's cut

from ~3k reviews

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

6 of the 8 similar games are hits.

Best case: V Rising at ≈ 3.4M–5.5M copies, ≈ $32.8M–$88.2M 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 150 to 92k.

The genre you'd be entering

These games: The similar games share Survival (7 of 8) and Base-Building (5 of 8).
The winners: Winners here lead with Survival + Open World, priced around $35.
When they shipped: 5 of the 8 similar games shipped in the last two years. You'd be launching into a busy stretch.

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
The Riftbreaker 2021	Est. copies ≈ 619k–1.0M 9.2x vs typical SteamSpy 1M–2M	Est. revenue $5.1M–$13.7M after Steam's cut $9.3M–$21.1M before Steam's cut	$29.99	25k reviews Very Positive	Base-BuildingTower Defense
VALHALL: Harbinger 2020	Est. copies ≈ 12k–20k SteamSpy 20k–50k	Est. revenue $103k–$276k after Steam's cut $187k–$425k before Steam's cut	$29.99	502 reviews Mixed	Early AccessVikings
V Rising 2024	Est. copies ≈ 3.4M–5.5M 51x vs typical SteamSpy 5M–10M	Est. revenue $32.8M–$88.2M after Steam's cut $59.6M–$135.6M before Steam's cut	$34.99	137k reviews Very Positive	SurvivalOpen World
Myth of Empires 2024	Est. copies ≈ 437k–710k 6.5x vs typical SteamSpy 500k–1M	Est. revenue $3.6M–$9.7M after Steam's cut $6.6M–$14.9M before Steam's cut	$29.99	18k reviews Mixed	BuildingOpen World Survival Craft
江湖客栈-The Jianghu 2024	Est. copies ≈ 60k–97k SteamSpy 100k–200k	Est. revenue Free	Free	2k reviews Mixed	PvPExploration
Welcome to ParadiZe 2024	Est. copies ≈ 35k–57k SteamSpy 100k–200k	Est. revenue $287k–$772k after Steam's cut $522k–$1.2M before Steam's cut	$29.99	1k reviews Mixed	ActionMultiplayer
Frozen Flame 2022	Est. copies ≈ 74k–121k SteamSpy 200k–500k	Est. revenue $409k–$1.1M after Steam's cut $743k–$1.7M before Steam's cut	$19.99	3k reviews Mixed	Early AccessOpen World Survival Craft
Castle Craft 2026	Est. copies ≈ 12k–20k SteamSpy 100k–200k	Est. revenue $68k–$184k after Steam's cut $124k–$283k before Steam's cut	$19.99	502 reviews Very Positive	Early AccessVoxel