Profile updated
Casual indie game Grand Prix Story sits in Kairosoft’s catalog as a 2022 self-published release from kairosoft-co-ltd. It has 204 Steam reviews marked mixed at 0% positive and launched at a budget $8.99 price.
Overview
Grand Prix Story is a 2022 Casual game developed by Kairosoft Co.,Ltd and published by Kairosoft Co.,Ltd. On Steam it has gathered 212 player reviews, 91% of them positive, which counts as a very positive reception among indie titles in the Casual category. The game is available on windows, and launched at $9. The pairing of developer Kairosoft Co.,Ltd with publisher Kairosoft Co.,Ltd 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 5,000 to 12,000 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, Grand Prix Story can be compared against similar Casual titles and benchmarked on review counts and estimated sales.
Reviews
212
Positive
91%
Steam appid
1978100
Engine
Unknown
Players (snapshot)
Unavailable
Sales estimate
v1.05K to 12K
units (median: 8K)
≈ $26K to $61K modeled net revenue (fixed store-cut, refund, and regional-price assumptions applied)
+ - How is this calculated?
| Factor | Adjustment |
|---|---|
| base | +50 |
| year_2022 | 0 |
| price_$9 | -5 |
| positive_91% | +10 |
| genre_Casual | -15 |
| final NB | 40 |
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 Grand Prix Story at roughly 5,000 to 12,000 copies, with a median around 8,000, derived from its 212 Steam reviews using a multi-factor Boxleiter method (version v1.0). That median maps to approximately $44K 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
5 observed days · window low $8.99Across 5 observed UTC days from 2026-08-07 to 2026-09-04, the daily lowest tracked USD price across stores ranged from $8.99 to $8.99. The tracked-window low was $8.99 on 2026-08-07.
Real store observations · daily lowest tracked USD price across stores · missing days are not filled.
Where to buy
Affiliate disclosure- Steam reference$8.99 Buy
- Green Man Gaming
- Fanatical
- Humble Store
- GOG.com
Latest tracked store observations (2026-09-04 06:55 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
windows
Genres
Frequently asked questions
- How many copies has Grand Prix Story sold?
- indielist estimates Grand Prix Story has sold between 5,088 and 11,872 units (median 8,480), derived from its 212 Steam reviews with the white-box Boxleiter v1.0 method. The full breakdown is shown on the page.
- Who developed Grand Prix Story?
- Grand Prix Story was developed by Kairosoft Co.,Ltd and published by Kairosoft Co.,Ltd.
- Who published Grand Prix Story?
- Grand Prix Story was published by Kairosoft Co.,Ltd, developed by Kairosoft Co.,Ltd. See Kairosoft Co.,Ltd's full catalogue and submission status on indielist.
- When was Grand Prix Story released?
- Grand Prix Story was released in 2022.
- How many reviews does Grand Prix Story have on Steam?
- Grand Prix Story has 212 Steam reviews, of which 91% are positive.
- Is Grand Prix Story worth playing?
- Steam players rate Grand Prix Story 91% positive across 212 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 Grand Prix Story 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, Kairosoft Co.,Ltd's other releases and Kairosoft Co.,Ltd's wider catalog are one click away, letting developers benchmark where Grand Prix Story 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 Grand Prix Story 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.
You might also like
Matched from shared Steam tags and primary genre. Review count breaks ties; it is not a personal recommendation score.
See more games like Grand Prix Story →
Related reading
-
The best simulation and automation indie games in 2026
8 min read
Automation games turn one idea — make a factory more efficient — into hundreds of hours of optimization. A data-backed guide to the best indie automation and simulation games of 2026 and the long-tail economics behind them.
-
The best city-builder and management indie games in 2026
8 min read
City-builders turn a few systems into hundreds of hours of optimization. A data-backed guide to the best indie management games of 2026, the survival-vs-classic split, and the genre economics behind them.