I’ve not been privy to much censorship in my life (that I noticed) but I distinctly remember in Giants: Citizen Kabuto, there was a quest to slay some sheep and bring back their meat for food and the meat was green. As a 10 year old, I thought it was part of the lore. Since you were on another planet, it made sense to me… maybe these are alien sheep!
I only realized it years later when I had forgotten the game’s title and asked about it, describing the green sheep meat, on a forum. I was told it was censorship and which game it was. Replayed it in its pure form and the meat was red.