Whirlpool

15 developed. Active 2017–2025.

Hit rate 73.3% 11 of 15 reached 50+ reviews

Revenue (estimated) $755k across the whole catalogue

Reviews 2K combined

Biggest title NEKO-NIN exHeart 2 279 reviews

The hit rate is the number that separates a studio which understands its audience from one buying lottery tickets — total revenue mostly says how long a studio has existed. Both are estimates; see how they are calculated.

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Revenue over time

Estimated gross revenue accumulated across the whole catalogue, month by month. It climbs where a release finds buyers and flattens where a catalogue only coasts. The last point is the same figure as in the box above — gross, before Steam's cut, VAT and refunds. How this is estimated.

Developed

Name	Price	Tags	Reviews ▾	Positive	Released	Revenue (estimated)
NEKO-NIN exHeart 2 Steam	$9.99	Anime Sexual Content Nudity Visual Novel Casual Indie	279	95%	Fri, Apr 27, 2018	$188k $188k – $209k
Slobbish Dragon Princess Steam	$14.99	Sexual Content Casual Nudity Visual Novel Anime Mature	238	85%	Fri, Jan 29, 2021	$155k $69k – $275k
NEKO-NIN exHeart +PLUS Nachi Steam	$1.99	Casual Ninja Indie Visual Novel Action Anime	227	93%	Thu, Nov 02, 2017	$19k $8k – $33k
NEKO-NIN exHeart 3 Steam	$9.99	Sexual Content Nudity Visual Novel Anime Mature Ninja	222	94%	Fri, Oct 18, 2019	$93k $41k – $166k
NEKO-NIN exHeart +PLUS Saiha Steam	$1.99	Ninja Sexual Content Nudity Casual Indie Visual Novel	179	92%	Fri, Nov 17, 2017	$15k $6k – $91k
NEKO-NIN exHeart 2 Love +PLUS Steam	$4.99	Nudity Visual Novel Ninja Anime Sexual Content Casual	127	92%	Fri, Apr 26, 2019	$28k $12k – $49k
Slobbish Dragon Princess 2 Steam	$14.99	Visual Novel Casual Anime Adventure Dragons Comedy	111	98%	Fri, Dec 17, 2021	$72k $32k – $128k
Slobbish Dragon Princess LOVE+PLUS Steam	$4.99	Anime Adventure Casual Visual Novel Cute Comedy	67	97%	Tue, Jun 22, 2021	$15k $6k – $26k
はじめるセカイの理想論 -goodbye world index Steam	$19.99		62	85%	Thu, Sep 04, 2025	$52k $23k – $93k
Slobbish Dragon Princess 3 Steam	$14.99	Anime Adventure Cute Casual Visual Novel Comedy	61	97%	Tue, Mar 14, 2023	$39k $17k – $69k
Animal Trail ☆ Girlish Square Steam	$14.99	Casual Simulation Dating Sim Visual Novel Interactive Fiction Word Game	52	87%	Fri, Aug 12, 2022	$33k $15k – $59k
NEKO-NIN exHeart SPIN! Steam	$14.99	Casual Visual Novel Adventure Cute Text-Based Anime	41	98%	Mon, Jul 15, 2024	$28k $12k – $49k
Animal Trail ☆ Girlish Square LOVE+PLUS Steam	$4.99	Adventure Casual Anime Visual Novel Romance Dating Sim	21	90%	Fri, Nov 17, 2023	$5k $2k – $8k
Animal Trail ☆ Girlish Square 2 Steam	$14.99	Anime Casual Visual Novel Adventure Romance Dating Sim	18	100%	Mon, Dec 18, 2023	$12k $5k – $22k
NEKO-NIN exHeart SPIN! LOVE+PLUS Steam	$5.99		12	100%	Sun, Dec 14, 2025	$3k $1k – $6k