'' Trials HD '' was announced June 1 , 2009 at a Microsoft luncheon during E3 2009 . It was released August 12 , 2009 as part of the Xbox Live Summer of Arcade . On December 23 , 2009 the first downloadable content , known as the '' Trials HD Big Pack '' , was released . The content features twenty three new courses , new objects for the game 's built-in level creator and new achievements . A second downloadable content pack was announced for the game in July 2010 . The '' Trials HD Big Thrills Pack '' features forty new courses made by RedLynx , but unlike the '' Trials HD Big Pack '' it also features ten user created courses . These ten courses are to be decided from entries to the Big Thrills Track Creation Competition . The top three contestants were awarded prizes of $ 5,000 , $ 3,000 , and $ 1,000 , respectively . Winners were announced on November 15 , 2010 . The '' Big Thrills Pack '' was released December 1 , 2010
E3 2009
E3 2009
Trials HD