Complex sentence: Ouya will match a Kickstarter's pledge dollar-for-dollar if a minimum of $50,000 is raised, but only if the game will be an Ouya exclusive for six months.
Split into simpler sentences: OUYA will match your pledge dollar-for-dollar if you raise a minimum of $50,000. To be eligible for this match, you have to commit that the game will be an OUYA exclusive for six months.