High Quality Content by WIKIPEDIA articles! Trials HD is an Xbox Live Arcade game developed by RedLynx and published by Microsoft Game Studios. It was released on August 12, 2009 as part of the second annual Xbox Live Summer of Arcade and was later re-released in a retail pack alongside Limbo and `Splosion Man in April 2011. It is a 2.5D puzzle/racing game. The player must guide a motorcycle with exaggerated physics through various obstacles to reach each stage`s finish line.