Same as above. Which means, that I can´t test any further.
Win 7, 64bit, I doubt that the hardware matters but just in case: nvidia 8800gs, intel i5 640, 4gb ram

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Yeh I know, but it makes no sense that setting alpha to 100 along with the TRANSLUCENT flag results in seeing some of the backfaces.

As soon as you set TRANSLUCENT, writing to the depthbuffer is disabled, which causes that behavior. This means that one weather have to sort the triangles, which gamestudio doesn´t, or one finds an alternative solution which works in combination with depth testing. The second is kinda tricky and the first is kinda slow wink.