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A casual indie game built around sudoku puzzles, Sudoku Universe / 数独宇宙 targets players looking for a low-cost logic niche. It launched in 2017 at $2.99, developed by konstructors and published by hook-games, with 2,996 Steam reviews marked mixed.
Overview
Sudoku Universe / 数独宇宙 is a 2017 Casual game developed by Konstructors and published by Hook Games. On Steam it has gathered 2,997 player reviews, 95% of them positive, which counts as a very positive reception among indie titles in the Casual category. The game is available on linux, mac, windows, and launched at $3. The pairing of developer Konstructors with publisher Hook Games is one of the studio-publisher relationships indielist tracks, letting players find comparable games and letting developers and investors study how Casual projects reach the market. indielist's white-box method estimates its lifetime sales at roughly 99,000 to 231,000 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, Sudoku Universe / 数独宇宙 can be compared against similar Casual titles and benchmarked on review counts and estimated sales.
Reviews
2,997
Positive
95%
Steam appid
733070
Engine
Unknown
Players (snapshot)
Unavailable
Sales estimate
v1.099K to 231K
units (median: 165K)
≈ $169K to $394K modeled net revenue (fixed store-cut, refund, and regional-price assumptions applied)
+ - How is this calculated?
| Factor | Adjustment |
|---|---|
| base | +50 |
| year_2017 | +30 |
| price_$3 | -20 |
| positive_95% | +10 |
| genre_Casual | -15 |
| final NB | 55 |
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 Sudoku Universe / 数独宇宙 at roughly 99,000 to 231,000 copies, with a median around 165,000, derived from its 2,997 Steam reviews using a multi-factor Boxleiter method (version v1.0). That median maps to approximately $282K 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
1 observed day · window low $2.99Across 1 observed UTC day from 2026-07-26 to 2026-07-26, the daily lowest tracked USD price across stores ranged from $2.99 to $2.99. The tracked-window low was $2.99 on 2026-07-26.
Real store observations · daily lowest tracked USD price across stores · missing days are not filled.
Where to buy
Affiliate disclosure- Humble Store$2.99 Buy
- Steam reference
- Green Man Gaming
- Fanatical
- GOG.com
Latest tracked store observations (2026-07-26 06:13 UTC), cheapest first. Prices may have changed since observation. Some are affiliate links — we may earn a commission at no extra cost to you. Learn more.
Platforms
linuxmacwindows
Frequently asked questions
- How many copies has Sudoku Universe / 数独宇宙 sold?
- indielist estimates Sudoku Universe / 数独宇宙 has sold between 98,901 and 230,769 units (median 164,835), derived from its 2,997 Steam reviews with the white-box Boxleiter v1.0 method. The full breakdown is shown on the page.
- Who developed Sudoku Universe / 数独宇宙?
- Sudoku Universe / 数独宇宙 was developed by Konstructors and published by Hook Games.
- Who published Sudoku Universe / 数独宇宙?
- Sudoku Universe / 数独宇宙 was published by Hook Games, developed by Konstructors. See Hook Games's full catalogue and submission status on indielist.
- When was Sudoku Universe / 数独宇宙 released?
- Sudoku Universe / 数独宇宙 was released in 2017.
- How many reviews does Sudoku Universe / 数独宇宙 have on Steam?
- Sudoku Universe / 数独宇宙 has 2,997 Steam reviews, of which 95% are positive.
- Is Sudoku Universe / 数独宇宙 worth playing?
- Steam players rate Sudoku Universe / 数独宇宙 95% positive across 2,997 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 Sudoku Universe / 数独宇宙 can compare it on indielist against semantically similar Casual titles such as Garry's Mod, Wallpaper Engine, Factorio, Balatro, ranked by shared tags and genre rather than by ad spend. On the developer side, Konstructors's other releases and Hook Games's wider catalog are one click away, letting developers benchmark where Sudoku Universe / 数独宇宙 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 Sudoku Universe / 数独宇宙 page serves three audiences at once: players hunting their next Casual 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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Matched from shared Steam tags and primary genre. Review count breaks ties; it is not a personal recommendation score.
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