Playing against colorful bots is a kind of mindmusher, I think, but there are more fun mindmushers. Jetpack Joyride at least has some inklings of progress. Sudoku, Wordle archive. I had a Sudoku app on my last phone. And there’s a 3DS on the bookcase.
"[Growing up] is hard and nobody understands." // https://www.homestuck.com/story/2391