Mac users interested in Htr hd racing for macbook pro generally download:
HTR HD High Tech Racing is a slot car arcade game for the Mac. It is also available for iOS devices. In this game, you control a slot car which races against three other cars in a number of tracks. The tracks are all different and present unique difficulties, like jumps, loops and crossroads. There are 18 tracks in total and the game lets you create your own tracks.