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Secrets of the Heart

May 29, 2026 Indie $9.99
Developer FallingDay Publisher YOZAKURA
S
Secrets of the Heart header

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An indie game from developer fallingday and publisher yozakura, Secrets of the Heart launched in 2026 at a budget $9.99 price point. Steam shows 128 reviews with 97% positive sentiment, giving it an overwhelmingly positive early signal despite a modest review count.

Overview

Secrets of the Heart is a 2026 Indie game developed by FallingDay and published by YOZAKURA. On Steam it has gathered 147 player reviews, 94% of them positive, which counts as a very positive reception among indie titles in the Indie category. The game is available on windows, and launched at $10. The pairing of developer FallingDay with publisher YOZAKURA is one of the studio-publisher relationships indielist tracks, letting players find comparable games and letting developers and investors study how Indie projects reach the market. indielist's white-box method estimates its lifetime sales at roughly 4,000 to 9,000 units, with the full Boxleiter factor breakdown shown on this page rather than a single black-box figure. Within indielist's catalog of indie games mapped to their studios, publishers, and funding, Secrets of the Heart can be compared against similar Indie titles and benchmarked on review counts and estimated sales.

Reviews

147

Positive

94%

Steam appid

4291500

Engine

Unknown

Players (snapshot)

Unavailable

Sales estimate

v1.0

4K to 9K

units (median: 7K)

≈ $23K to $53K modeled net revenue (fixed store-cut, refund, and regional-price assumptions applied)

4K median 9K
+ How is this calculated?
147 reviews × NB(45) = 6,615 median units
Factor Adjustment
base +50
year_2026 -10
price_$10 -5
positive_94% +10
final NB 45

Heuristic display range: median × [0.6, 1.4]. Boundary protection: NB ∈ [15, 150].

Methodology & limitations

Sales estimates use an additive Boxleiter-derived heuristic against public Steam review counts. They are not authoritative sales data, and the fixed display range is not a statistically validated confidence interval. Actual results may fall outside it, especially for deeply discounted or bundle-heavy titles. Algorithm version v1.0. Read the exact method and validation status.

indielist estimates lifetime unit sales for Secrets of the Heart at roughly 4,000 to 9,000 copies, with a median around 7,000, derived from its 147 Steam reviews using a multi-factor Boxleiter method (version v1.0). That median maps to approximately $38K in net revenue after Steam's 30% cut, regional pricing, and refunds. Unlike black-box trackers, the full calculation is shown on this page: a base review-to-sales multiplier is adjusted for release year, launch price, review sentiment, studio size, and genre, and every adjustment is listed so developers, publishers, and investors can audit exactly how the figure was reached. The range itself reflects genuine uncertainty — review-to-sales ratios vary widely between games — so indielist publishes a low, median, and high band rather than a false-precision single number, and treats free-to-play, heavily discounted, and bundle-distributed titles as having wider error margins still.

Price history

No tracked store price observations are available for this game in the last 90 days.

Where to buy

Affiliate disclosure

No tracked store price observation is available yet; links go straight to each store. Some are affiliate links — we may earn a commission at no extra cost to you. Learn more.

Platforms

windows

Genres

IndieRPGFree To Play

Frequently asked questions

How many copies has Secrets of the Heart sold?
indielist estimates Secrets of the Heart has sold between 3,969 and 9,261 units (median 6,615), derived from its 147 Steam reviews with the white-box Boxleiter v1.0 method. The full breakdown is shown on the page.
Who developed Secrets of the Heart?
Secrets of the Heart was developed by FallingDay and published by YOZAKURA.
Who published Secrets of the Heart?
Secrets of the Heart was published by YOZAKURA, developed by FallingDay. See YOZAKURA's full catalogue and submission status on indielist.
When was Secrets of the Heart released?
Secrets of the Heart was released in 2026.
How many reviews does Secrets of the Heart have on Steam?
Secrets of the Heart has 147 Steam reviews, of which 94% are positive.
Is Secrets of the Heart worth playing?
Steam players rate Secrets of the Heart 94% positive across 147 reviews. indielist doesn't score games editorially; it surfaces public review sentiment and a white-box sales estimate so you can judge reception and reach yourself.

Ecosystem

Players looking for games like Secrets of the Heart can compare it on indielist against semantically similar Indie titles such as Stardew Valley, Euro Truck Simulator 2, Project Zomboid, Undertale, ranked by shared tags and genre rather than by ad spend. On the developer side, FallingDay's other releases and YOZAKURA's wider catalog are one click away, letting developers benchmark where Secrets of the Heart sits among a studio's body of work and how its publisher's portfolio performs. Because indielist maps studios, publishers, games, and funding into one connected graph, the same Secrets of the Heart page serves three audiences at once: players hunting their next Indie game, developers studying how comparable projects were positioned and what they sold, and investors tracing which teams and labels are active in the space. A machine-readable markdown mirror of this page is published at the same path with a .md suffix for AI assistants, and its review, price, and sales-estimate figures are refreshed on a schedule rather than frozen at launch.

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