A nervous action building game in multiplayer that oppose humans against aliens in huge battlefields. Build your base anywhere, upgrade your equipment, recruit hundreds of IA soldiers, and take part in the greatest intergalactic war.
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Release Date:
Feb 12, 2021

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Early Access Game

Get instant access and start playing; get involved with this game as it develops.

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?

“We chose early access to make no concession on our creativity and to release the game only when we and our community consider it ready.
We intend to enrich Steel Graves with numerous ideas and contents.
About your feedback, they will be used as support for our team for the rest of the development.”

Approximately how long will this game be in Early Access?

“The development is intended to last at least until 2022.”

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

“The final version will include new gameplay elements along with more contents.
A not exhaustive list can be found below.”

What is the current state of the Early Access version?

“The game includes all of the basic gameplay to be completely playable.
A not exhaustive list can be found below.”

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

“The price will rise as new contents are released.”

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

“The best place to provide us your ideas / feedback is the Steam forum.
Do not hesitate to go on our Discord server https://discord.com/invite/4NZCUPd or on our social medias : Facebook, Twitter and YouTube.”
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About This Game

The story takes place in the future during the Great Galactic War between humankind and the aliens from planet Tartare. To fight the threat, spatial mega corporation NeoTerra colonizes the planets in the galaxy to steal the most valuable resource in the market : Orion's crystals. These crystals are the main food and energy of the aliens.


  • Two playable factions, Human and Alien
  • Two game modes Survival and Versus
  • 3 biomes, 6 playable maps
  • Innovative basic construction system
  • Various weapons and armor for humans
  • 7 different aliens
  • Dynamic events

Features In development

  • Added mission mode
  • Added vehicles for humans
  • New biomes (planet) and maps
  • New faction "The Scavengers"
  • New weapons, buildings, armor, alien races

Two playable factions

Take place in this conflict and choose your side. Become a soldier in Neoterra and colonize planets. Technology, weapons and credits will be your best chances to survive. Develop and annihilate the enemy or take the alien's side and spread your biomass. Lay and breed to dominate the human invader. Your number will be your greatest strenght.

Build, collect, dominate

Steel Graves proposes a nervous and strategical multiplayer mod. Indeed, during your fighting against the enemy, you will have to take the right decisions to spread and to dominate your opponent. You will have to build outposts and to collect as much Orion's crystals as possible. The one owning the crystals dominate the game. But be careful ! Some dynamic events may change the course of the battle.

They are coming !

Steel Graves proposes a survival mod for the bravest soldiers in Neoterra. This mod is available in solo or in co-op multiplayer and will severely challenge you. For numerous waves, you will have to survive against hordes of aliens that will try to annihilate you at all costs. This mod requires a lot of effort and rapidity because your defence will have to be infallible to hold as longer as possible.

Victory above all

The war is waiting for you. Join us on the battlefield. We need sharp-minded and ruthless soldiers because the enemy is on our doorstep. So what are you waiting for ?

System Requirements

    • Requires a 64-bit processor and operating system
    • OS: Windows 7/8.1/10
    • Processor: Intel Core i5 or AMD equivalent
    • Memory: 8 GB RAM
    • Graphics: NVIDIA GeForce GTX 960 2GB or AMD Radeon R7 370 2GB
    • DirectX: Version 11
    • Network: Broadband Internet connection
    • Storage: 10 GB available space
    • Additional Notes: Internet connection required for multiplayer.
    • Requires a 64-bit processor and operating system
    • OS: Windows 7/8.1/10
    • Processor: Intel Core i7 or AMD equivalent
    • Memory: 16 GB RAM
    • Graphics: NVIDIA GeForce GTX 1060 3GB or AMD Radeon RX 580 4GB
    • DirectX: Version 11
    • Network: Broadband Internet connection
    • Storage: 15 GB available space

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