Half-Life: Blue Shift

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Half-Life: Blue Shift

Short description

Made by Gearbox Software and originally released in 2001 as an add-on to Half-Life, Blue Shift is a return to the Black Mesa Research Facility in which you play as Barney Calhoun, the security guard sidekick who helped Gordon out of so many sticky situations.

Developer
Gearbox Software
Publisher
Valve
Release
–
Price
$4.99
Reviews
18,797
Positive
93%
Followers
9,744
Owners (estimated)
1M – 2M
Concurrent players
35
Genres
Action
Features
Custom Volume Controls, Adjustable Difficulty, Playable without Timed Input, Save Anytime
Tags
FPS Action Sci-fi Singleplayer Shooter Aliens Classic First-Person Zombies Adventure 1990's Short Atmospheric Silent Protagonist Story Rich Puzzle Moddable Retro Great Soundtrack Violent
Revenue (estimated, gross)~$4.4msomewhere between $4.4m and $6.6m · roughly 1M–1.5M copies

Review count and SteamSpy's owner range agree well enough to narrow the estimate down to this band. Multiplied by $4.42, the average price these copies actually sold for — weighted from the price history rather than taken from the $4.99 launch price. That is 11% below list price on average. Before Steam's cut, VAT and refunds. How these numbers are calculated.

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History

82 data points since Aug 10, 2026. Gaps mean nothing changed — the value carries forward.

Revenue (est.) ~$4.4m → ~$4.4m
Reviews 18,514 → 18,797
Followers 9,621 → 9,744
Concurrent players 35 → 35
Price $4.99 → $4.99
Positive reviews 92.7% → 92.7%

The revenue curve is an estimate, not a measurement. It is the only calculated series here: each interval takes the review growth of that period, multiplies it by the sales-per-review factor and by the price actually charged at the time, and adds the result to the running total. That is why it climbs more slowly through discount periods than the review curve next to it. The last point is the same figure quoted above — gross, before Steam's cut, VAT and refunds. How these numbers are calculated.

The blurred area is the rest of the history. 301 further data points reach back to Nov 1, 2010 — your plan shows the last 90 days of it. How far each series in particular reaches is written on its own chart; not every one of them goes back that far. The shape in the blurred area is decoration, not data: the figures are not in this page at all. Plus unlocks the complete series.

Lowest recorded price: $0.49 on Jun 26, 2019.

How crowded is this niche?

How full the niche around Half-Life: Blue Shift is — measured on the tags it leads with, against every other combination on Steam.

±?? FPS + Action + Sci-fi

Combinations under 15 games are left out to reduce the influence of small samples. The games below share those tags and are free to browse.

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Similar games that found an audience

Games sharing at least 3 of this title's leading tags, with enough reviews to have gone somewhere. Ranked by how much they overlap, not by how big they are. − missing and + extra mark the tags each one does not share with Half-Life: Blue Shift. Studio counts the titles that developer has released — the closest thing to production scale that public data allows. It is not a budget, and nobody publishes those.

Image Name Studio Shared Tag difference Price Reviews Positive Released Revenue (estimated)
Half-Life: Opposing Force Half-Life: Opposing Force Gearbox Software 18 titles 5 − Aliens + Classic $4.99 25,633 96% — $8.8m
$8.8m – $9.1m
STAR WARS Republic Commando STAR WARS Republic Commando LucasArts 36 titles 5 − Aliens + Tactical $9.99 14,717 96% Wed, Jul 08, 2009 $9.2m
$9.2m – $10.8m
Crysis 2 - Maximum Edition Crysis 2 - Maximum Edition Crytek Studios 2 titles 5 − Aliens + Multiplayer $29.99 9,358 86% Tue, Mar 22, 2011 $10.9m
$4.8m – $51.6m
Aliens: Colonial Marines Collection Aliens: Colonial Marines Collection Gearbox Software 18 titles 5 − Singleplayer + Co-op $29.99 7,720 64% Tue, May 01, 2012 $11.2m
$11.2m – $13.8m
Crysis 3 Remastered Crysis 3 Remastered Saber Interactive 41 titles +1 5 − Singleplayer + Hero Shooter $29.99 7,624 88% Thu, Nov 17, 2022 $9m
$4m – $52.2m

There are more like this. Your plan shows the 5 closest neighbours; Plus and Pro show up to 100 — enough to see the shape of a niche instead of a sample of it.

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