The game itself costs $19.99, though you can pick up the jam-packed Season Pass for another $19.99 if you're looking for nearly endless new content over the next few months.
Links and info below.
Welcome to the next generation of Trials! With its glimmering vision of what our future holds were technology and nature to co-exist, combined with today's most exciting and popular motorsport, Trials Fusion has retained and enhanced the essential features from its best-selling, critically acclaimed predecessors, Trials Evolution and Trials HD. A magnificent fusion of the proven, no-frills Trials formula based on ultra-addictive competition with the cutting edge of graphics and social networking.