Anyone have dementia/alzheimers slowing games or activities that work?

My inlaws were both diagnosed with dementia at the same confinement. MIL was hospitalized first, FIL wanted to and was able to continue to live independently in a smaller home.
After her death, we loaned him one of our cats. A mellow but intelligent cat. The cat never was one to walk under feet, so he didn't have a pet to trip over. That cat kept him grounded, demanded food, so he'd have to go to the grocery store, and for about two years, kept him going on his own. By the time he wasn't able to care for her, he was seeing dead bodies that weren't there and other symptoms of Lewey Body dementia. So my SIL took the cat (later she had a stroke and we took the cat back.)

We think that the cat kept him in his own home an additional two years, and was a better quality of life than being hospitalized in a 'retirement' home...

But having a pet that

Google Rick Simpson oil.

Luminosity is worth the money. After awhile you learn how to beat all the games but until then it’s great