I am searching for trivial pursuit genus VI. I see a purple box and a red box both with a 6. Is there a diff?

I am searching for the Genus VI. All the boxes that say Genus VI are located in New Zealand. Is this the game I am looking for. I can find the 6th edition here but the box doesn’t state that it is the "genus". This is a gift and I am I was Buy Generic Viagra Online told to buy the "genus". Which one do I get?