Grid Autosport , developed by SimBin Studios (later Sector3 Studios), is a racing simulator initially released in 2009, praised for its physics, track variety, and car customization. The Complete Edition bundles the base game with all five DLC expansions ( Grid Legends , 2007 World Rally Championship , 2008 F1 World Championship , 2009 American Stock Car Racing , and 2010 World Rally Championship ), offering a vast library of tracks and vehicles for both casual and competitive play.