Student looking for help in AI of 2D Racing Game

Hello i am looking for some help in completion of my racing game application. A working 2D racing game application developed using Unity3D, has to be changed its gameplay. The RIG of the game will be provided. 1st Phase : NPC Car has to learn by its self,how to race on the track using neural network alogirthm. 2nd Phase: Adopted NPC Car from phase1 has to race with player car on the same track. According to the player mode of challenge(easy or medium or hard), car should be adjusting to players mode. Need to use three different alogorithms for three modes. 3rd Phase: During the Race, according to the player performace in race,NPC car should adjust its mode of challenge. Expecting resonable price. cheers.