Game suggestions for seniors, particularly ones with memory issues, as well as general game suggestions?

I’m looking for some games that my mother, who has short-term some long-term memory issues that come and go, can play on my Wii, that hopefully won’t be too confusing for her.

She has a farm game on her iPad that she’s enjoyed for years, but it’s become incredibly complex and confusing (even for me, when trying to help her with it; it’s inundated with crafting recipes that are made to be as complex as possible, to push the user toward microtransactions), so I’m hoping to find some other games she can play. Ideally, I’d be getting ones that my father and I can play with her, but anything is better than nothing, and in general, I’m looking to expand my library, as my parents surprised me with the Wii when I was deep into Xbox, and I never really gave it the attention it deserved, nor did I ever really hear all that much about games that really stood out above the rest, so I never really knew what to buy.

At the moment, we have Wii Sports, Mario Kart Wii, Super Smash Brothers Brawl, Super Mario Galaxy, Super Mario Galaxy 2, Super Paper Mario, The Legend of Zelda: Skyward Sword, and Metroid Prime Trilogy.

I’m currently looking at things like Wii Sports Resort, Wii Play, perhaps some of the Mario Party games, and Animal Crossing: City Folk.

If games have GameCube controller support (or Classic Controller support, though I’d need to order one), that’s great, too, as she has arthritis and may eventually have issues with motion controls. I also don’t fully trust her to remember to use the wrist strap all the time, so traditional controls as an option are definitely a plus.

Edit: Thanks for all the input! It may be worth noting that she’s very young, as far as seniors go, so her tastes are pretty widely varied. I grew up playing the first three Mario Party games with her, and watching in awe as she managed to beat Grandia II on the Dreamcast (she was the only one in the family to actually do it; I think my brother’s save file got overwritten, and I’d backed myself into a corner by passing a point of no return in the endgame while at too low a level to actually beat the final boss or kill any of the remaining enemies in the overworld). She had fun with The Legend of Zelda: Ocarina of Time and Mario Kart 64, and also thoroughly enjoyed Animal Crossing on the GameCube. Goodness, did she put a lot of hours into Animal Crossing... She’s also always enjoyed the puzzle games on MSN Games (which is going to be interesting as Flash support disappears).