https://zty.pe/ is engaging but requires some fast typing.
I've done some research on this previously and have heard that 'Typetastic' is very good. Haven't tried it yet, though, as my kids are still too young.
"Mavis Beacon Teaches Typing" really helped me.
The games on https://typing.com
How old is the child?
What game alternatives do they have?
What intrinsic motivation do they have?
To what level are you engaged in “typing time?”
Typing is probabaly not gonna’ compete well with minecraft or a playstation.
I suspect if you aren’t participating as a peer, typing won’t seem very important against the options.
Mavis Beacon was a more engaging way for motivated adults to learn typing. With kids if it only had to compete with Oregon Trail and the child was excited about computers, it might also work.
But those days are long gone. Good luck.
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https://archive.org/details/MicroTypeTheWonderfulWorldOfPaws...
https://archive.org/details/msdos_Mario_Teaches_Typing_1992
https://store.steampowered.com/app/3450/Typer_Shark_Deluxe/
(if OK with mature content: https://store.steampowered.com/app/246580/The_Typing_of_The_... )