Trackline Express
Profile updated
Action indie game Trackline Express launched in 2024 from Bubblebird Studio, which is both developer and publisher. It has 121 Steam reviews with 87% positive feedback, a very positive rating, and an initial price of $14.99.
Overview
Trackline Express is a 2024 Action game developed by Bubblebird Studio and published by Bubblebird Studio. On Steam it has gathered 122 player reviews, 87% of them positive, which counts as a very positive reception among indie titles in the Action category. The game is available on linux, mac, windows, and launched at $15. The pairing of developer Bubblebird Studio with publisher Bubblebird Studio is one of the studio-publisher relationships indielist tracks, letting players find comparable games and letting developers and investors study how Action projects reach the market. indielist's white-box method estimates its lifetime sales at roughly 4,000 to 10,000 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, Trackline Express can be compared against similar Action titles and benchmarked on review counts and estimated sales.
Reviews
122
Positive
87%
Steam appid
2343920
Engine
Unknown
Players (snapshot)
Unavailable
Sales estimate
v1.04K to 10K
units (median: 7K)
≈ $38K to $88K modeled net revenue (fixed store-cut, refund, and regional-price assumptions applied)
+ - How is this calculated?
| Factor | Adjustment |
|---|---|
| base | +50 |
| year_2024 | 0 |
| price_$15 | 0 |
| positive_87% | +10 |
| final NB | 60 |
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 Trackline Express at roughly 4,000 to 10,000 copies, with a median around 7,000, derived from its 122 Steam reviews using a multi-factor Boxleiter method (version v1.0). That median maps to approximately $63K 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
7 observed days · window low $7.49Across 7 observed UTC days from 2026-07-23 to 2026-09-01, the daily lowest tracked USD price across stores ranged from $7.49 to $14.99. The tracked-window low was $7.49 on 2026-07-23.
Real store observations · daily lowest tracked USD price across stores · missing days are not filled.
Where to buy
Affiliate disclosure- Steam reference -50%$7.49 Buy
- Green Man Gaming
- Fanatical
- Humble Store
- GOG.com
Latest tracked store observations (2026-09-01 06:34 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 Trackline Express sold?
- indielist estimates Trackline Express has sold between 4,392 and 10,248 units (median 7,320), derived from its 122 Steam reviews with the white-box Boxleiter v1.0 method. The full breakdown is shown on the page.
- Who developed Trackline Express?
- Trackline Express was developed by Bubblebird Studio and published by Bubblebird Studio.
- Who published Trackline Express?
- Trackline Express was published by Bubblebird Studio, developed by Bubblebird Studio. See Bubblebird Studio's full catalogue and submission status on indielist.
- When was Trackline Express released?
- Trackline Express was released in 2024.
- How many reviews does Trackline Express have on Steam?
- Trackline Express has 122 Steam reviews, of which 87% are positive.
- Is Trackline Express worth playing?
- Steam players rate Trackline Express 87% positive across 122 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 Trackline Express can compare it on indielist against semantically similar Action titles such as Terraria, Rust, Phasmophobia, The Forest, ranked by shared tags and genre rather than by ad spend. On the developer side, Bubblebird Studio's other releases and Bubblebird Studio's wider catalog are one click away, letting developers benchmark where Trackline Express 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 Trackline Express page serves three audiences at once: players hunting their next Action 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 Trackline Express →