Fortified
Developed by Siege Camp · Published by Siege Camp
At a glance
Overview
An action, indie, strategy game by Siege Camp, published by Siege Camp — single-player, multi-player, co-op.
Steam’s own one-line 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/publisher text via the Steam store page.
Features & modes
Derived from the gameplay modes and feature categories Steam lists for Fortified.
| Feature | Supported |
|---|---|
| Single-player | Yes |
| Multiplayer | Yes |
| Co-op | Yes |
| Online co-op | No |
| PvP | No |
| Cross-platform multiplayer | No |
| Full controller support | Yes |
| Partial controller support | No |
| Steam Cloud saves | Yes |
| Steam Achievements | Yes |
System requirements (PC)
As published on the Steam store page. Requirements can change between updates.
Minimum
- OS *: Windows 7 or higher
- 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
Supported languages (1)
Fortified FAQ
Answered from the official Steam listing as of June 2026. Where something hasn't been announced, we say so rather than guess.
What kind of game is Fortified?
Steam classifies Fortified as a Action, Indie, Strategy game, developed by Siege Camp. 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.
How much does Fortified cost?
As of June 2026, Steam lists Fortified at $2.24. Prices and regional pricing change — check the Steam page for the current figure.
Is Fortified single-player or multiplayer?
Steam lists these modes for Fortified: Single-player, Multi-player, Co-op. It supports both solo and multiplayer.
Is Fortified on PlayStation, Xbox, or Switch?
Our data comes from the Steam (PC) store, which lists Fortified for Windows. Console availability isn’t in our Steam-sourced data — check the official site or the console store.
Is Fortified out yet?
Yes — Steam lists a release date of Feb 3, 2016.
What platforms is Fortified on?
Fortified is listed for Windows on the Steam (PC) store. Console availability isn't covered by Steam's PC store data — check the official channels.
Is Fortified single-player or multiplayer?
Steam lists these modes: Single-player, Multi-player, Co-op.
How much does Fortified cost?
Steam lists it at $2.24.
Does Fortified have achievements?
Yes — Steam lists 23 achievements for Fortified.
Who made Fortified?
Fortified is developed by Siege Camp and published by Siege Camp.
Where to get Fortified
We don't sell games or track prices — this links to the official Steam store page.
View on Steam →Listing details from Valve's public Steam store data · official site. Not affiliated with Valve/Steam, Siege Camp.