Literally had to make my own Duolingo...... Editing Scratch cat wasn't too hard tbh. WARNING: DO NOT REMOVE THE BLUR AT THE END!! (BLOOD WARNING)!!! so, yeah. Enjoy. be patient at the beginning.
Idea: https://scratch.mit.edu/users/TouchTheStarsForever/ Sounds: https://scratch.mit.edu/projects/181831603/ More Sounds: https://scratch.mit.edu/projects/2020780/