A unique tower defense game. Where you design and build your defense block by block. With many component that can be combined for different effect. To survive in a hostile world.
All Reviews:
Mixed (16) - 43% of the 16 user reviews for this game are positive.
Release Date:
Mar 4, 2018

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Early Access Game

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Note: This Early Access game is not complete and may or may not change further. If you are not excited to play this game in its current state, then you should wait to see if the game progresses further in development. Learn more

What the developers have to say:

Why Early Access?

“StackFortress has game mechanic that is experimental, and we are not sure it is as fun and balance as it can be, therefore we would like to improve them with community feedback.”

Approximately how long will this game be in Early Access?

“The game will be in early access for 2-3 months.”

How is the full version planned to differ from the Early Access version?

“The full version will have more blocks, more types of weapons, more type of enemy, different type of map.
Game mechanic like the power and cooling system may work differently and be more balance from early version.
More game mode like creative mode.”

What is the current state of the Early Access version?

“The game is playable and stable, with the core game play in place, you build your base with various type of functional block, you need to defend your base from alien threats. The incoming enemy wave become strong overtime, you need to balance resource and power to survive for as long as possible.

What we have in the game now:
  • Survival mode
  • Base building with various components and blocks
  • Power system
  • Several type of enemy
  • Procedural generated map

Will the game be priced differently during and after Early Access?

“The game will not be priced differently during and after Early Access.”

How are you planning on involving the Community in your development process?

“We would like to work closely with the community to make sure the game is fun and balance. We engage the community mostly through community discussion. We will also use polling to survey for the most wanted features.”
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About This Game


A unique tower defense game. Where you design and build your defense block by block.


  • Build tower block by block, free form building let you design and create unique structure.
  • Combine functional component to create unique structure, mining, shield, weapon, power generator provide different function.
  • Power Grid to provide power to your components, stable power supply can mean the different between life and death.
  • Different type of hostile alien threats, require player to plan differently.
  • Overcharge your weapons by connecting with power injector, which use more power and overheat.
  • [Planned]Cooling system, building radiator to provide adequate cooling, and let weapon operate overcapacity.

System Requirements

    • Requires a 64-bit processor and operating system
    • OS *: Window 7 or Later
    • Processor: 1.8GHz single core
    • Memory: 4096 MB RAM
    • Graphics: NVIDIA GeForce GTX 560 / AMD Radeon HD 7790
    • DirectX: Version 12
    • Storage: 1000 MB available space
    • Requires a 64-bit processor and operating system
* Starting January 1st, 2024, the Steam Client will only support Windows 10 and later versions.

What Curators Say

3 Curators have reviewed this product. Click here to see them.

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