A whooping lot of them look the same or hidden the same way. Some of them are just cat butts with testicles.
Every found cat gives you separate achievement, so prepare to get attacked with notification noises.
Only good thing is that you don't need to own the DLC to get all achievements.

A whooping lot of them look the same or hidden the same way. Some of them are just cat butts with testicles. Every found cat gives you separate achievement, so prepare to get attacked with notification noises. Only good thing is that you don't need to own the DLC to get all achievements.