Looking for inspirations.

Hello,
I know it can be going to be delete, but if I didn’t try i will not know.

I have done one project in Unity. Estimation give me 60 hours of work. But Im doing it for 80 (most time spend in blender making model.)
But finnaly i done it.

Now I trying make something new for Android. First I want prototype version for PC.
I Estimation this for 145hours +30 hours for adapt it for Android.
I done 5hours of all this time and I have big problem, with that what start making first.
Do you have proven ways to arrangement plan of work?

I just made 6 scripts for moving one GameObject…

Maybe There is universal rules. How Unity Game shoudl look like?

No, just look at gaming frameworks in the Asset Store or in the Unity Learn section to see what is typical.