How much revenue did Zet Zillions make?

$54k–$145k after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Zet Zillions sell?

Q: How many copies did Zet Zillions sell?

20k to 32k copies, based on its 791 Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 20k–32k; $54k–$145k after Steam's cut $98k–$223k before Steam's cut; from 791 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 Zet Zillions and predicted how it would do from its 8 similar games. Every figure here, including Zet Zillions's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 5k–60k

best case 143k (Cobalt Core)

Games like Zet Zillions

A typical game among these

≈ 5k–60k copies

≈ $27k–$377k after Steam's cut

from ~328 reviews

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

3 of the 8 similar games are hits.

Best case: Cobalt Core at ≈ 109k–177k copies, ≈ $600k–$1.6M after Steam's cut.

What their first month looked like

About half the games that made it here had over 123 reviews in their first month; the range was 23 to 1k.

The genre you'd be entering

These games: The similar games share Roguelike Deckbuilder (8 of 8) and Deckbuilding (7 of 8).
The winners: Winners here lead with Roguelike Deckbuilder + Card Game, priced around $20.
When they shipped: The similar games span 2018 to 2025, and 2 of the 8 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 38 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
Cobalt Core 2023	Est. copies ≈ 109k–177k 13x vs typical SteamSpy 100k–200k	Est. revenue $600k–$1.6M after Steam's cut $1.1M–$2.5M before Steam's cut	$19.99	4k reviews Overwhelmingly Positive	Roguelike DeckbuilderCard Game
Deep Sky Derelicts 2018	Est. copies ≈ 88k–143k 8.8x vs typical SteamSpy 100k–200k	Est. revenue $482k–$1.3M after Steam's cut $877k–$2.0M before Steam's cut	$19.99	3k reviews Mostly Positive	Roguelike DeckbuilderRPG
Void Tyrant 2021	Est. copies ≈ 3k–5k SteamSpy under 20k	Est. revenue $8k–$21k after Steam's cut $14k–$33k before Steam's cut	$9.99	117 reviews Mostly Positive	Roguelike DeckbuilderStrategy
Heat Death 2022	Est. copies ≈ 2k–3k SteamSpy under 20k	Est. revenue $7k–$20k after Steam's cut $13k–$30k before Steam's cut	$14.99	71 reviews Very Positive	Roguelike DeckbuilderCard Battler
Tower Tactics: Liberation 2023	Est. copies ≈ 31k–51k 3.8x vs typical SteamSpy 100k–200k	Est. revenue $112k–$300k after Steam's cut $203k–$461k before Steam's cut	$12.99	1k reviews Very Positive	Roguelike Deckbuilder Tower Defense
Clonizer 2025	Est. copies ≈ 5k–8k SteamSpy under 20k	Est. revenue $19k–$51k after Steam's cut $35k–$79k before Steam's cut	$14.99	187 reviews Very Positive	SpaceRogue-lite
For The Warp 2022	Est. copies ≈ 12k–19k SteamSpy 20k–50k	Est. revenue $48k–$129k after Steam's cut $87k–$198k before Steam's cut	$14.99	468 reviews Mostly Positive	Roguelike Deckbuilder Deckbuilding
Stellar Orphans 2024	Est. copies ≈ 4k–6k SteamSpy under 20k	Est. revenue $17k–$46k after Steam's cut $31k–$70k before Steam's cut	$16.99	147 reviews Mostly Positive	Roguelike Deckbuilder Deckbuilding