Hi. Hope this it's not considered necroposting. Haha.
'The cat lady' is a graphical adventure game. If you want to do something similar, perhaps a engine oriented to the genre may be more beneficial to use instead of a 'all genres' one like Unity. Specially if you are not a programmer.
These are some Game engines oriented to Graphical adventures that perhaps may help you.
AGS: https://www.adventuregamestudio.co.uk/
seccia.dev (formerly AGE): https://store.steampowered.com/app/848340/secciadev/
or https://www.moddb.com/engines/age1
Also there are a couple of 'generalistic' or 'all genres' that meant to be easy to use.
001 Game Creator (Paid): https://store.steampowered.com/app/347400/001_Game_Creator_2025_Edition/
And CopperCube: https://www.ambiera.com/coppercube/
Hope this may help you. Lucks.