SimpleRockets is back, but now it's fully 3D. Build rockets, airplanes, rovers, and anything you can think of with highly customizable parts. Explore 3D planets. Upload and share your crafts online. We're bringing it to Early Access while we work on a Planet Builder, Campaign Mode, and other key features.
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Release Date:
Summer 2018

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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?

“Now that we have a solid, fully 3D rocket simulator it's time to get the community involved. We have ideas for key features that we want to implement (such as a Planet Builder and Campaign Mode), but players have great ideas too and we want to include them in the development process and have time to react to those ideas.”

Approximately how long will this game be in Early Access?

“Our goal is to finish Early Access in early 2019, though we are prepared to change this as we respond to player feedback.”

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

“The full version will include a Planet Builder where players can build their own planets and share them online. Another key feature will be the Campaign Mode where players can start their own rocket company, earn money through contracts, and research new parts. We will also continue to add more parts and more planets and respond to player feedback.”

What is the current state of the Early Access version?

“The game is already a robust 3D rocket simulator. Here are the key features:

  • Fully 3D Rocket Designer with several available tools to help build anything from simple rockets to very complicated multi-stage rockets to robotic mechs.
  • Realistic rocket physics and orbital mechanics
  • Over 20 parts, including fairings, retractable solar panels, engines, etc. Many parts are highly customizable such as the resizable fuel tank and the resizable rover wheels.
  • Fully 3D, rotating planets that can support water and multiple biomes, such as desert, grasslands, tundra, etc.
  • Players can upload their rockets and sandboxes and share them with other players.
  • Online community where players can upvote and comment on other player's content.

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

“We plan to gradually raise the price as we add new content and features.”

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

“Players have great ideas and they're great at finding bugs, so we strive to make it as easy as possible for them to get in touch with us and contribute to the development process.

  • User Voice - Players can submit their own ideas and upvote and comment on other players' ideas.
  • Forums - Steam Forums and the forums on are a great way for players to get in touch with us for troubleshooting issues.
  • Bug Reports - Players can submit bug reports from within the game and include a screenshot and description. The more information they provide the more it will help us to identify and fix the issue.
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Available: Summer 2018


Recent updates View all (5)

July 30

Pixel Pop Pictures and Virtual Tour

We demoed SimpleRockets 2 at the Pixel Pop Festival in St Louis this weekend. Since many of you couldn't make it, we decided to make this video so you could have a virtual experience of our demo. Enjoy!

Also, here are some pictures we took at the event.
7 comments Read more

July 23

Nav Sphere

The Nav Circle in SR1 made it very easy to control rockets in a 2D game. It took me a while to figure out the best way to extend the Nav Circle into three dimensions. I ended up with basically two nav circles: one for heading and one for pitch. The end result is now called the Nav Sphere and it makes controlling rockets in 3D extremely easy.

The blue circle is for controlling the pitch of the rocket and the orange circle is for controlling the heading. You can click and drag the circles to adjust them or you can use keyboard inputs (or a gamepad) to control them. We will probably tweak the visuals a bit before release, but I'm really happy with how they've turned out.

14 comments Read more
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About This Game

SimpleRockets 2 is a fully 3D space sim that lets you build rockets, airplanes, rovers, or anything you can imagine and explore highly detailed 3D planets. Upload your crafts and sandboxes and share them with the community to earn points. Join us as we enter Early Access and continue adding new features, such as the Planet Builder and Campaign Mode.


Build crafts by snapping parts together. Stretch and shape fuel tanks with easy-to-use tools that help you create exactly what you want. Choose from the available engines, such as the Mage, which is a powerful kerosene-fueled engine. Or choose the very weak, but highly efficient Ion Engine. Or you can choose both. It's your craft! Nothing will stop you. Use interstages to split your craft into multiple stages to reach incredible altitudes. Piece together modular fairings to protect your precious cargo.


Launch multiple crafts into orbit at once. You can dock with your existing crafts to build space stations, moon bases, refueling stations, etc. Take photos of your journey across the solar system with the built-in Photo Library tool.


Download from a huge collection of user-uploaded crafts and sandboxes. Upload your own crafts and sandboxes and share them with the community. Rise through the ranks from a white level builder to a gold level builder.


Kepler wrote the equations 400 years ago, and SimpleRockets 2 uses those equations to model extremely realistic orbital physics. Players will learn about rocket science and astrodynamics while they are having a blast exploring the solar system.

System Requirements

Mac OS X
    • OS: Windows 7
    • Processor: Core 2 Duo
    • Memory: 2 GB RAM
    • Graphics: SM4, 512MB VRAM
    • DirectX: Version 11
    • Storage: 750 MB available space
    • OS: Windows 10
    • Processor: Core i5
    • Memory: 4 GB RAM
    • Graphics: SM4, 1GB VRAM
    • DirectX: Version 11
    • Storage: 1 GB available space
    • OS: Mavericks (10.9)
    • Processor: Intel
    • Memory: 2 GB RAM
    • Graphics: Metal, 512MB VRAM
    • Storage: 750 MB available space
    • OS: Yosemite (10.10)
    • Processor: Intel Core i5
    • Memory: 4 GB RAM
    • Graphics: Metal, 1GB VRAM
    • Storage: 1 GB available space
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