I want to create unity game

Job ID: 31770324

Budget: ₹1,500 – ₹12,500 INR

Hi, i want to create unity game something like this
https://play.google.com/store/apps/details?id=conquer.the.city.takeover.battle&hl=en_IN&gl=US

I want around 300 levels and some other minor changes.

Please tell if you gonna make it from scratch or gonna use template?