Left 4 Dead

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Left 4 Dead

Short description

From Valve (the creators of Counter-Strike, Half-Life and more) comes Left 4 Dead, a co-op action horror game for the PC and Xbox 360 that casts up to four players in an epic struggle for survival against swarming zombie hordes and terrifying mutant monsters.

Developer
Valve
Publisher
Valve
Release
Mon, Nov 17, 2008
Price
$9.99
Reviews
58,574
Positive
96%
Followers
350,292
Owners (estimated)
5M – 10M
Concurrent players
774
Genres
Action
Features
Multi-player, Co-op, Full controller support, Captions available, Camera Comfort, Color Alternatives, Custom Volume Controls, Adjustable Difficulty, DualShock Controller Support, DualSense Controller Support, Stereo Sound, Surround Sound, Valve Anti-Cheat enabled, Stats, Steam Leaderboards, Includes Source SDK, Commentary available, Remote Play on TV
Tags
Zombies Co-op Multiplayer FPS Action Horror Shooter Online Co-Op Survival Team-Based First-Person Post-apocalyptic Singleplayer Atmospheric Moddable Adventure Tactical Replay Value Competitive Female Protagonist
Revenue (estimated, gross)~$23.2msomewhere between $10.3m and $88.2m · roughly 1.2M–10M copies

Review count and SteamSpy's owner range disagree, so the band is widened to cover both rather than picking a favourite. Multiplied by $8.82, the average price these copies actually sold for — weighted from the price history rather than taken from the $9.99 launch price. That is 12% below list price on average. Before Steam's cut, VAT and refunds. How these numbers are calculated.

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History

74 data points since Aug 1, 2026. Gaps mean nothing changed — the value carries forward.

Revenue (est.) ~$23m → ~$23.2m
See data from Oct 2010 with a Plus account
Reviews 57,833 → 58,574
Followers 348,264 → 350,292
Concurrent players 774 → 774
Price $9.99 → $9.99
Positive reviews 96.4% → 96.3%

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. 337 further data points reach back to Oct 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: $0.99 on Jun 26, 2019.

How crowded is this niche?

How full the niche around Left 4 Dead is — measured on the tags it leads with, against every other combination on Steam.

±?? Zombies + Co-op + Multiplayer

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 Left 4 Dead. 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)
Killing Floor Killing Floor Tripwire Interactive 14 titles 5 − Action + Survival $19.99
$1.99
90%
best price ever
39,886 96% Thu, May 14, 2009 $33.5m
$33.5m – $53.4m
Resident Evil Revelations 2 Resident Evil Revelations 2 CAPCOM Co., Ltd. 56 titles 5 − FPS + Survival Horror $19.99
$4.99
75%
25,606 79% Tue, Feb 24, 2015 $6.8m
$5.9m – $11.7m
F.E.A.R. 3 F.E.A.R. 3 Day 1 Studios first game 5 − Zombies + Shooter $19.99 7,378 69% Tue, Jun 21, 2011 $5.9m
$2.6m – $35.3m
Dead Effect 2 Dead Effect 2 BadFly Interactive, a.s. 2 titles 5 − Multiplayer + Indie $11.99 1,912 73% Fri, May 06, 2016 $1m
$1m – $1.5m
UNLOVED UNLOVED BlueEagle Productions 8 titles 5 − Zombies + Gore $4.99 956 79% Thu, Sep 29, 2016 $198k
$88k – $2.3m

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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