Overview :

VDrift is a driving simulation game made with its main focus on drift racing It has very realistic physics and is powered by the Vamos physics engine.

For Windows : 

For Linux Ubuntu : 

For Mac : 

  

Overview :

FlightGear is a free flight simulator project. It is being developed through the gracious contributions of source code and spare time by many talented people from around the globe.

Among the many goals of this project are the quest to minimize short cuts and "do things right", the quest to learn and advance knowledge, and the quest to have better toys to play with.