Sanctum 2

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Sanctum 2

Short description

Sanctum 2 is the sequel to the world’s first Tower Defense/FPS hybrid game. Pick from four unique character classes and embark on a mission to protect the oxygen-producing Cores from hordes of deadly aliens who are threatened by their existence.

Developer
Coffee Stain Studios
Publisher
Coffee Stain Publishing
Release
Wed, May 15, 2013
Price
$14.99
Reviews
7,452
Positive
92%
Followers
33,455
Owners (estimated)
2M – 5M
Concurrent players
15
Genres
Action, Indie, Strategy
Features
Multi-player, Co-op, Online Co-op, Full controller support, Steam Trading Cards, Steam Leaderboards, Remote Play on TV
Tags
Tower Defense FPS Co-op Strategy Action Sci-fi Indie Online Co-Op Multiplayer First-Person Shooter Singleplayer Survival Aliens Futuristic Female Protagonist Combat Funny Great Soundtrack RPG
Revenue (estimated, gross)~$4.4msomewhere between $2m and $65.9m · roughly 149K–5M copies

Review count and SteamSpy's owner range disagree, so the band is widened to cover both rather than picking a favourite. Multiplied by $13.17, the average price these copies actually sold for — weighted from the price history rather than taken from the $14.99 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

4 data points since Aug 11, 2026. Gaps mean nothing changed — the value carries forward.

Revenue (est.) ~$4.4m → ~$4.4m
Reviews 7,452 → 7,452
Followers 33,456 → 33,455
Concurrent players 15 → 15
Price $14.99 → $14.99
Positive reviews 92.4% → 92.4%

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. 360 further data points reach back to May 1, 2013 — 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: $1.49 on Apr 11, 2014.

How crowded is this niche?

How full the niche around Sanctum 2 is — measured on the tags it leads with, against every other combination on Steam.

±?? Tower Defense + FPS + Co-op

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 Sanctum 2. 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)
Sanctum Sanctum Coffee Stain Studios 6 titles 5 − Sci-fi + Indie $9.99 1,975 90% Fri, Apr 15, 2011 $769k
$342k – $17.3m
SENTRY SENTRY Fireblade Software first game 5 − Co-op + Survival $19.99 837 82% Mon, Mar 25, 2024 $739k
$392k – $981k
Orcs Must Die! 2 Orcs Must Die! 2 Robot Entertainment 6 titles 4 − FPS − Sci-fi + Online Co-Op + Indie $14.99
$3.74
75%
12,940 92% Mon, Jul 30, 2012 $7.6m
$3.4m – $65.1m
Orcs Must Die! 3 Orcs Must Die! 3 Robot Entertainment 6 titles 4 − FPS − Sci-fi + Third-Person Shooter + PvE $29.99
$7.49
75%
10,970 85% Fri, Jul 23, 2021 $13.2m
$5.9m – $53.6m
Bloons TD 5 Bloons TD 5 Ninja Kiwi 14 titles 4 − FPS − Sci-fi + Family Friendly + Casual $9.99 10,815 95% Wed, Nov 19, 2014 $4.3m
$1.9m – $4.5m

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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