What toys do you guys recommend for an adult cat (2 years old) who’s transitioning from being an outdoor cat to an indoor cat?
So far Tilt’s done really well, she was very brave during the house move

. However I have noticed she’s become a bit more aggressive now she’s “trapped” inside. I play with her whenever she wants and stop if she bites/scratches. I was the only person she never attacked in anyway before we moved.
She’s eating and drinking fine and her sleep seems good too. She doesn’t sit by the door moaning all day, so I don’t think she’s depressed etc. She also still sleeps on my bed with me and she always curls up on the sofa nearby when I’m sat there.
I’m going to be adopting another cat too so she can have a brother/sister to play with

. Do you guys recommend a male or female? Also, should I get a younger kitten so Tilt doesn’t feel like it’s encroaching on her territory when they first meet.