Hello, I found these peculiar graphic problems while playing a scenario in Big Pharma. It involves a strange pigmentation of some belts and overlapping machinery. Luckily, it just happened once and never appeared again in any other scenario. Honestly, I can’t remember which game / map I was playing:
Thank you in advance
First off, sorry for the late reply. I’ve been off on holiday 
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Hmm, that’s a strange bug. Looks like it’s an issue with sprite ordering. Basically, the belts is split up into different layers so they can be animated separately. The green layer is ending up underneath the base unit (brown bit), instead of on top. I’ll take a look and see if I can figure out what is going on.
Thanks,
Tim
Hello, no problem at all; thank you for your answer!
As I previously said, I encountered this issue just once in dozens of hours of playing. Honestly, I couldn’t tell what triggered it nor how to reproduce it, and I overwrote the save file, so I can’t help you figuring it out, I’m sorry. However, I think this is a very minor glitch, having happened just once!