Clouds don't make sense in this type of scene. To remove them, right click the background and uncheck "Draw Clouds". The sky should look more yellowish than orangish and the ground should be orange-yellowish. There should also be some type of terrain.
The issue about the gar happens after the engine is enabled and was shfting from the first gear to the second. When i attempt to do that, it just stops.
While the car's basic mechanics is decent, I'd recommend not using the colors on the top left; "basic" colors. That way, you can pick any color in the other parts of the color picker, giving you free opportunities for color diversity. You also don't need to make the glass, glass. Instead of using the glass material, just keep it default material and color it a shade of blue (again, not the ones on the top left).
While the coding is good, I'd recommend using the "glue to background" option instead of fixjoints. The boxes that conatin text also bothers me; modify the boxes' sizes to make them look like they're the same size as the text, increase text resolution to at least 128 and change the text's size to an appropriate size.
Just add SOME asteroids (mostly significant ones, like Vesta), not ALL asteroids. Earth should have biomes too. I hope the progress is going great though!
I'd recommend setting the fan axle a brake so it doesn't keep spinning for over 3 minutes. I'd also recommend unchecking the "Draw Borders" box in objects if neccesary. You could aso center things using the grid. Other than that, your fan scenes are pretty decent.
I would recommend adding easter eggs and references from various shows and topics. Other than that, even if this project is in alpha, I love this game and it's potentials. Good luck!
I'd recommend using the "Return" key or non-numpad numbers for some of the controls to optimize for low end users. I am a low end user myself and I had trouble modifying the controls without moving them to the back, which ruins the look of the scene.
While the concept and initial looks are good, alongside with different font usage for the logo, I'd recommend unchecking the "Draw Borders" and "Draw circle cake" boxes on every object. Use the "Glue Together" option to prevent the phone from exploding. All the text should be at least 128 in resolution and for the number keypad, try using a different font. You could add a smaller box for the latin and special characters. Finally, I wont recommend using the "basic colors" on the top left corner: use the HSVA options instead, giving you more color opportunities and better color schemes (although this color scheme is already decent).
Nice game so far. I love the designs and I can't believe you even added Vulcan!
For including more easter eggs, I would recommend adding real-life probes, rovers, and spacecraft, fictional or not (e.g. the Insight lander, the Voyager twins).
Can you make the bridge drivable for cars (crashable or not) via changing collision layers? Collision layering plays an essential role on making decent scenes. I'd recommend unchecking the "Draw borders" box to remove these ugly borders in necessary objects. I would also recommend to not use the "basic colors" on the top left corner and mess around with the HSVA bars untill you found the colors you think fits the best on the scene. You should add more details to the bridge in general, too.
What I meant for the collision layers are that there are more options on collison layering. There may be many of them, but they are useful on the later run.
Also, the annoying borders are still there, the basic color material are still there (you can use a web browser and a converison site to find the appropriate colors in HSVA), and other stuff. You can make the ropes look better by clicking on the "Clear Texture" button. You can "move" objects to the foreground and background by rolling the scroll wheel on a selected object.
