How many copies did Kaiser sell?

336 to 546 copies, based on its 14 Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did Kaiser make?

Kaiser is free to play, so there is no copy-sales revenue to estimate.

How big is Kaiser?

Estimated owners: ≈ 336–546; from 14 reviews (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 Kaiser out and predicted the genre from its 8 similar games. Every figure here, including Kaiser's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 917k–2.9M

best case 8.3M (Vampire Survivors)

The Action Roguelike genre

All 8 of your similar games are hits. A big, proven genre for a game like yours.

A hit here: 1,000+ reviews, roughly $150k+ before Steam's cut (a standard indie benchmark).

A typical game

≈ 917k–2.9M copies

≈ $5.5M–$8.1M after Steam's cut

from ~41k reviews

Best case

≈ 6.3M–10.3M copies

Vampire Survivors · ≈ $8.7M–$23.4M after Steam's cut

A breakout hit, far above a typical game.

The genre you'd be entering

Your set: Your set clusters on Action Roguelike (8 of 8) and Bullet Hell (6 of 8).
The winners: Winners here lead with Action Roguelike + Bullet Hell, priced around $5. The breakout hits carry Vampire + Singleplayer + 2D; a typical game here doesn't.
The era: The games you compared span 2011 to 2025, a genre with a long track record.

Copies and revenue are rough lifetime estimates from the review count.

Similar games

Game	Est. copies	Est. revenue	Price	Reviews	Tags
HoloCure - Save the Fans! 2023	Est. copies ≈ 972k–1.6M SteamSpy 1M–2M	Est. revenue Free	Free	41k reviews Overwhelmingly Positive	Pixel GraphicsBullet Hell
Vampire Survivors 2022	Est. copies ≈ 6.3M–10.3M 6.5x vs typical SteamSpy 5M–10M	Est. revenue $8.7M–$23.4M after Steam's cut $15.8M–$36.0M before the cut	$4.99	264k reviews Overwhelmingly Positive	Action RoguelikeBullet Hell
The Binding of Isaac 2011	Est. copies ≈ 3.3M–5.3M 1.5x vs typical SteamSpy 1M–2M	Est. revenue $4.5M–$12.0M after Steam's cut $8.1M–$18.5M before the cut	$4.99	63k reviews Very Positive	Action RoguelikeRogue-like
Roboquest 2023	Est. copies ≈ 582k–945k SteamSpy 500k–1M	Est. revenue $4.0M–$10.7M after Steam's cut $7.3M–$16.5M before the cut	$24.99	24k reviews Overwhelmingly Positive	FPSAction Roguelike
Halls of Torment 2024	Est. copies ≈ 759k–1.2M SteamSpy 500k–1M	Est. revenue $1.4M–$3.7M after Steam's cut $2.5M–$5.8M before the cut	$6.66	32k reviews Overwhelmingly Positive	Action RoguelikeRogue-lite
Soulstone Survivors 2025	Est. copies ≈ 639k–1.0M SteamSpy 500k–1M	Est. revenue $2.6M–$7.1M after Steam's cut $4.8M–$10.9M before the cut	$14.99	27k reviews Very Positive	Action RoguelikeBullet Hell
Deep Rock Galactic: Survivor 2025	Est. copies ≈ 1.2M–1.9M SteamSpy 1M–2M	Est. revenue $4.1M–$11.0M after Steam's cut $7.5M–$17.0M before the cut	$12.99	48k reviews Very Positive	DwarfAction Roguelike
Enter the Gungeon 2016	Est. copies ≈ 3.6M–5.8M 2.2x vs typical SteamSpy 2M–5M	Est. revenue $14.7M–$39.6M after Steam's cut $26.8M–$61.0M before the cut	$14.99	89k reviews Overwhelmingly Positive	Bullet HellAction Roguelike