Unity Game needs update

Hello, Here is my game need/requirement : - I have existing game in unity (i have game source. you able to check running game over link : [login to view URL] ), which i prefers to get updated , according to my need (details attached here). Major things related to graphics and minor things related to game codes into existing game source code. Characters (5 kids) already ready (selected provider have to manage rest things through own), just need rest part to completed effective way and put into existing game and make it according to my listed need. I must provide polling things to selected provider : - Existing game source code; - 5 character graphics and sprite sheet; - Instructions; Its simple task for unity [login to view URL] expert people required. Check it out, and let me know, if interested. Thanks