a performance standpoint. This changes the way the game is played, as collisions with barriers and other cars will alter the car's handling, top speed and acceleration. More noticeably, spoilers can be knocked off cars, bumpers dangle from their supports, paint can be scraped off and windows can be smashed completely. The game contains a mix of licensed, street, point to point and original circuits. Real world tracks Road Atlanta, Silverstone, Laguna Seca, Tsukuba, Road America, and Nürburgring Nordschleife were licensed and included. Furthermore, the game's Blue Mountains Raceway circuit is heavily comparable in track layout, characteristics and backgrounds with the Mount Panorama Circuit in Bathurst. In addition to these, Forza Motorsport also contains a wide variety of autocross, oval, and dragstrip courses. Each of these could be played online through the original Xbox Live service or through System Link, which allows multiple Xbox consoles to be interconnected through a local area network. Network multiplayer is no longer available via Xbox Live, which was discontinued by Microsoft on April 15, 2010. The game is backwards compatible, and can be played on the Xbox 360, though as it uses the original Xbox Live service there is no online play. Development Forza Motorsport was announced at Electronic Entertainment Expo (E3) 2004. Development of the game took over two and a half years. The release was delayed at three times, with GameSpot reporting the first delay from a December 2004 release to February 2005. It would later be delayed until April 2005. It was delayed one last time, and the game was released May 3, 2005 in North America and May 13, 2005, in Europe. The game was created with the intent to compete with Sony's popular Gran Turismo franchise, with Microsoft director Kiki Wolfkill stating, "we are targeting Gran Turismo with this game on Xbox, and I think we've been very focussed on that. We have a lot of respect for Gran Turismo, which helps drive that desire to beat them." To promote Forza and other Xbox Live titles Microsoft teamed up with EB Games to provide 25 kiosks with games that could be played online through the service. Forza was the first of these titles to be displayed and playable on the kiosks. It was shown at multiple events during its development. Following E3 2004, it was shown at GameRiot, a traveling game event. It further was featured at the 2004