Revise a unity 2d game with VS 2

i have a simple unity 2d game (not functional now), it needs to be completed
this game will be build for web browsers
i would like it to be completed with Visual Scripting.
i have dwg file for graphics attached
unity game files attached
document for details:
https://docs.google.com/spreadsheets/d/16uozN80g1hK4xJ-NkkgM2ua2GC1EMM8btjs9wpRMol0/edit?usp=sharing
looking for experienced unity developers on this site
budget 500 usd