Nearly there! Not just Kirby, but a specific game in his series.

Pink ball in abandoned world

Super Mario 3D World! The last few levels of it are a major difficulty spike, but I got through them!

Now I just have to beat every level again 4 times…

For similar reasons, Super Mario 64. I know that if I was growing up in the 90’s it would have been the coolest thing ever, but I’m not and I’m used to more modern Mario games.

Also looks like it’s adding extra levels of density, as there are several different shades of green visible.

I’m the same. I’m used to adding “site:reddit.com” to my searches to ensure that I get actual answers as opposed to those crappy blogs with 5 screens of nonsense and tons of blank space (supposed to be filled with ads!). Not to mention all the obscure problems that those blog owners haven’t monetised.