Compare Fortified prices across trusted key stores and find the best deal. Developed by Siege Camp. Published by Clapfoot. Released on 2/3/2016. Available on PC, Xbox. Genres: Action, Indie, Strategy.

A 1950s sci-fi tower-defense shooter where four pulp heroes fend off Martian robot hordes. Fun in co-op, thin when played solo.

Fortified sits at the crossroads of tower defense and third-person shooter, set against a retro-futurist 1950s backdrop full of Martian robots and Cold War hardware. You pick one of four hero archetypes, each with a distinct weapon loadout and building toolkit, then spend rounds placing turrets, barriers, and emplacements before waves of mechanical invaders crash into your base. The loop is snappy and readable, which matters more than it sounds for a genre that often buries new players in menus and modifier stacks. Here, the strategy layer is lean enough that you can grasp it inside two missions, even if mastering the placement geometry and hero synergies takes considerably longer. The four-player co-op is where the game earns its keep. Each hero covers a different tactical niche: one leans on heavy direct firepower, another specializes in fortification efficiency, and coordinating those roles across a map creates genuine decision-making moments. Who holds the left flank while the engineer chains turrets on the right? Do you spend your early resources on walls or invest in a forward gun nest that might not survive to wave three? These are small questions, not grand-strategy dilemmas, but they land with real weight when the Martian swarms hit critical mass. Solo play, by contrast, exposes how thin the AI companion support is. The game was designed around human cooperation and it shows when you are filling multiple roles yourself. The arsenal leans hard into the pulp aesthetic: ray guns, rocket launchers, and experimental Cold War prototypes that feel satisfying to fire without ever becoming deep mechanical puzzles. The tower variety is functional but limited. After a few hours you have seen most of what the build menu offers, and late-game rounds start to feel like executing a memorized setup rather than adapting to new pressure. There is no mod ecosystem worth noting, no procedural layer, and no meaningful meta-progression that reshuffles your priorities run to run. What you see at hour two is broadly what you get at hour ten. The 74-percent-positive Steam score reads accurately to me. Fortified is a competent, aesthetically committed co-op shooter that delivers a solid Saturday afternoon with three friends. It is not a game with the systemic depth that rewards hundreds of hours of optimization. The tutorial is minimal but the game is simple enough that this rarely hurts. AI quality in enemy pathing is adequate without being clever, and experienced strategy players will find the difficulty ceiling lower than expected even on harder settings. It launched in 2016 and the active community has shrunk accordingly, so finding co-op partners through public matchmaking may require patience. Diego, Scout Team

Fortified

Fortified

Feb 3, 2016Siege CampClapfoot
GamerScout Says

A 1950s sci-fi tower-defense shooter where four pulp heroes fend off Martian robot hordes. Fun in co-op, thin when played solo.

PCXbox
ProtonDB Gold
Best Price Available
€0.00
at N/A
Historical low: €0.87

GamerScout Verdict

Best for co-op groups who want a breezy, aesthetically charming tower-defense shooter with low mechanical overhead.

Compare Prices(0 stores)

Loading prices...

We may earn a commission when you buy games through links on this page — at no extra cost to you. It never affects our rankings or verdicts.

Price History

Historical low
€0.8722 Jun 2026
Keyshops
€0.86€0.90€0.95€0.995 Jun16 Jun27 Jun7 Jul18 Jul
5 Jun — 18 Jul
Create alert

Screenshots & Media

About Fortified

Fortified sits at the crossroads of tower defense and third-person shooter, set against a retro-futurist 1950s backdrop full of Martian robots and Cold War hardware. You pick one of four hero archetypes, each with a distinct weapon loadout and building toolkit, then spend rounds placing turrets, barriers, and emplacements before waves of mechanical invaders crash into your base. The loop is snappy and readable, which matters more than it sounds for a genre that often buries new players in menus and modifier stacks. Here, the strategy layer is lean enough that you can grasp it inside two missions, even if mastering the placement geometry and hero synergies takes considerably longer. The four-player co-op is where the game earns its keep. Each hero covers a different tactical niche: one leans on heavy direct firepower, another specializes in fortification efficiency, and coordinating those roles across a map creates genuine decision-making moments. Who holds the left flank while the engineer chains turrets on the right? Do you spend your early resources on walls or invest in a forward gun nest that might not survive to wave three? These are small questions, not grand-strategy dilemmas, but they land with real weight when the Martian swarms hit critical mass. Solo play, by contrast, exposes how thin the AI companion support is. The game was designed around human cooperation and it shows when you are filling multiple roles yourself. The arsenal leans hard into the pulp aesthetic: ray guns, rocket launchers, and experimental Cold War prototypes that feel satisfying to fire without ever becoming deep mechanical puzzles. The tower variety is functional but limited. After a few hours you have seen most of what the build menu offers, and late-game rounds start to feel like executing a memorized setup rather than adapting to new pressure. There is no mod ecosystem worth noting, no procedural layer, and no meaningful meta-progression that reshuffles your priorities run to run. What you see at hour two is broadly what you get at hour ten. The 74-percent-positive Steam score reads accurately to me. Fortified is a competent, aesthetically committed co-op shooter that delivers a solid Saturday afternoon with three friends. It is not a game with the systemic depth that rewards hundreds of hours of optimization. The tutorial is minimal but the game is simple enough that this rarely hurts. AI quality in enemy pathing is adequate without being clever, and experienced strategy players will find the difficulty ceiling lower than expected even on harder settings. It launched in 2016 and the active community has shrunk accordingly, so finding co-op partners through public matchmaking may require patience.

Diego
Diego · Scout Team

Strategy & simulation

Tags

steamTower Defense HybridCo-op RequiredWave DefenseRetro Sci-FiHero ClassesThird-Person ShooterAlien Invasion

System Requirements

Minimum

Processor
Dual-Core 64-bit Intel or AMD processor, 2.0 GHZ CPU
Memory
4 GB RAM
Graphics
1 GB DirectX 10 compatible video card
DirectX
Version 10
Storage
4 GB available space

Keep exploring

Community Discussion

Be the first to comment on Fortified.

Reviews & Ratings

Steam
74%(1,728)

Game Info

Developer
Siege Camp
Publisher
Clapfoot
Release Date
Feb 3, 2016

Price Alert

Get notified when the price drops below your target!

Create Alert

No card? Pay another way

Top up your Steam Wallet or buy crypto with any card — instant delivery, no bank account needed.

More from Siege Camp

Buy smarter: helpful guides

Looking for more? See games like Fortified →

Frequently asked questions about Fortified

How much does Fortified cost?

Fortified pricing changes often and varies by store, edition and region. The live price table on this page compares the cheapest in-stock offers from trusted key stores like Eneba and Kinguin, so you always see the current lowest price before you buy.

Where can I buy Fortified cheapest?

Compare Fortified prices across every verified store in the price table on this page. We list the cheapest in-stock key and store offers, updated regularly, so you always see the best current deal before you buy.

What platforms is Fortified available on?

Fortified is available on PC, Xbox.

When was Fortified released?

Fortified was released on 3 February 2016.

Who developed Fortified?

Fortified was developed by Siege Camp and published by Clapfoot.