I didn't make it but there is a sequel https://fazmade112.itch.io/come-back-and-make-a-sequel-stop-ignoring-usss
Viewing post in Kill the Ice Age Baby Adventure: The Game comments
here is the third one https://i-make-dumb-games.itch.io/ice-age-baby-3
Edit: nvm it looks like they took it down :(
Edit 2 I found it https://mavelan.itch.io/ice-age-baby-3