Sanctum has just been updated with the "Elysion One Overrun!" patch which includes:
1 new map (Complex)
1 new weapon (Shotgun)
2 new towers (Holo Tower, AMP Field)
Customization System (Equip towers & weapons of choice)
Loads of fixes and changes!
Sanctum is a First Person Shooter Tower Defense where you take the role as Skye, an elite soldier sent out to protect her home town, Elysion One, from hordes of mysterious alien creatures.
To succeed you have to construct and upgrade defensive structures. What makes Sanctum unique from other Tower Defense games is that when the havoc starts, you jump right into the action with your own weapons and play a key role in the defense. Sanctum has taken the best features from First Person Shooters and Tower Defense games to create something totally unique.
Key Features:
Experience a brand new mix of genres!
Team up with a friend in co-op mode!
Develop your own strategy and build your custom mazes
Play through beautiful environments with unique strategic possibilities
Powered by Unreal Technology, Sanctum is one of the world's best looking independent developed games!
Coming DLC and content updates
windows Minimum
OS: Windows XP (SP3)
Processor: 1.6 GHz Dual Core Processor
Memory: 2 GB RAM
Graphics: Shader Model 3, 256 MB VRAM
Storage: 2 GB Free Space
Directx: 9.0c
Sound card: DirectX 9.0c compatible, 16-bit
windows Recommended
OS: Windows Vista, 7 or 8
Processor: 2.0 GHz Quad Core Processor
Memory: 4 GB RAM
Graphics: Shader Model 3, 512 MB VRAM
Storage: 2 GB Free Space
Directx: 9.0c
Sound card: DirectX 9.0c compatible, 16-bit
macosx Minimum
OS: OS X 10.6.3
Processor: 1.6 GHz Dual Core Processor
Memory: 2 GB RAM
Graphics: Open GL 3.3, Shader Model 3, 256 MB VRAM
Storage: 2 GB Free Space
To activate the game, you need a Steam Account
Login or register at the official Steam Website and download Steam client
Install and start application, login with your Account name and Password
Click the Games Menu.
Choose Activate a Product on Steam...
Follow the onscreen instructions to complete the process
After the successful code verification, go to the "MY GAMES" tab and start downloading.
News & Updates
2026-07-14
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The Best Warhammer 40K Games Every Fan Should Play (Part I)
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Some functionality is not accessible when using the default controller configuration, requiring use of the touchscreen or virtual keyboard, or a community configuration
This game sometimes shows mouse, keyboard, or non-Steam-Deck controller icons
Entering some text requires manually invoking the on-screen keyboard
In-game interface text is legible on Steam Deck
This game's default graphics configuration performs well on Steam Deck
