As I described in the title, some materials aren't rendered. I'm not sure, but I think it only happens if I "copy paste" or append objects with their materials. I can solve this problem by recreating the broken materials (but this is a tedious task).

The materials are visible in textured viewport. Only when I start the BGE they are invisible.

Here you can Download the .blend:


(it is a car game. on the left is a text editor where I describe the problem again)

enter image description here

in this picture you can see the Material which disappears.


enter image description here

  • $\begingroup$ Could you give us the example .blend(s) or some more precise recreation steps? Because I didn't noticed such thing myself yet. $\endgroup$ – Krzysztof Kansy Jul 8 '15 at 14:51
  • $\begingroup$ Which object's materials are you referring too? I did not find any materials to disappear. $\endgroup$ – Lev Jul 8 '15 at 18:17
  • $\begingroup$ @Lev it's the object 'Luftauslassheck' the mats are ChromeGE and BlackPlasticGE all normals pointing outward. $\endgroup$ – stacker Jul 8 '15 at 20:44
  • $\begingroup$ Yup, I asked before the edit. Since it wasn't the normals I only thought that something that is not supported by the GE , but is only supported by the Internal renderer. But someone more capable should answer. $\endgroup$ – Lev Jul 8 '15 at 23:59

I am having the same problem. Best solution I could find (more like a workarround) is to apply all the modifiers of the object which is causing trouble (in our case, it is Luftauslassheck).

Should you find out what is happening, please let me know. Here is a link to my blend if you want to take a look at it. The object is Support.Cover, which only has the material PlasticMaterial.002, used in other objects as well.

Nice car model by the way


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