Fortified

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Fortified

Short description

Fortified is an explosive strategy shooter where players will defend the Earth against a menacing Martian invasion in the 1950s. Play as one-of-four pulp inspired heroes as they fight swarms of terrifying robots with an arsenal of Cold War era weapons and experimental technology.

Developer
Siege Camp
Publisher
Siege Camp
Release
Wed, Feb 03, 2016
Price
$14.99
Reviews
218
Positive
75%
Followers
n/a
Owners (estimated)
1M – 2M
Concurrent players
1
Genres
Action, Indie, Strategy
Features
Multi-player, Co-op, Full controller support, Steam Trading Cards, Remote Play on TV
Tags
Action Tower Defense Indie Co-op Strategy Multiplayer Third-Person Shooter Aliens Sci-fi Shooter Online Co-Op Third Person Singleplayer
Revenue (estimated, gross)~$136ksomewhere between $60k and $27.7m · roughly 4K–2M copies

Review count and SteamSpy's owner range disagree, so the band is widened to cover both rather than picking a favourite. Multiplied by $13.85, the average price these copies actually sold for — weighted from the price history rather than taken from the $14.99 launch price. That is 8% below list price on average. Before Steam's cut, VAT and refunds. How these numbers are calculated.

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History

Tracking started Aug 10, 2026. Charts appear once there is more than one data point — nothing has changed since.

227 data points going back to Feb 1, 2016 lie outside the 90-day window of your plan. Plus shows the complete history.

How crowded is this niche?

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

±?? Action + Tower Defense + Indie

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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 Fortified. 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)
Orcs Must Die! 2 Orcs Must Die! 2 Robot Entertainment 6 titles 5 − Multiplayer + Online Co-Op $14.99 12,940 92% Mon, Jul 30, 2012 $7.6m
$3.4m – $65.1m
X-Morph: Defense X-Morph: Defense EXOR Studios 4 titles 5 − Multiplayer + Local Co-Op $19.99 3,209 91% Wed, Aug 30, 2017 $3.4m
$3.4m – $4.3m
Warstone TD Warstone TD Battlecruiser Games 6 titles 5 − Action + Fantasy $14.99 2,663 85% Wed, May 23, 2018 $2.6m
$2.6m – $2.7m
Sanctum Sanctum Coffee Stain Studios 6 titles 5 − Multiplayer + FPS $9.99 1,975 90% Fri, Apr 15, 2011 $769k
$342k – $17.3m
Deathtrap Deathtrap NeocoreGames 14 titles 5 − Multiplayer + RPG $19.99 1,851 85% Wed, Feb 04, 2015 $1.5m
$665k – $9m

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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