HTR+ Slot Car Simulation (Steam key/Region free).

http://store.steampowered.com/app/288650/
HTR+ High Tech Racing is a Slot Car Racing Simulation, a virtual version of the classic toy of the 80´s and 90´s. HTR+ is the sequel of HTR High Tech Racing that was downloaded several million times across all platform HTR+ offers 3 different difficulty levels and 20 tracks that include several challenges like loops, jumps, crossroads, narrows and high speed curves. You can even build your own tracks with the highly intuitive Track Editor, You can share your own tracks online.. More than 100.000 tracks have been created by players of HTR and are available for download. With realistic physics HTR+ offers an adrenalin packed racing simulation experience. Tons of cool items to unlock including cars, electric engines, tires, and chassis to optimize your car; there are more than 240 possible configurations to test on each track.

Intuitive track editor
20 tracks in 3 different difficulty levels
240+ possible car configurations
Online leaderboards
Online track building Contests