Last month, we brought you news from SXSW for the Syfy Channel’s new TV series and video game combo Defiance. The television show premieres on Syfy on April 15, 2013 at 9/8c and stars Grant Bowler, Julie Benz, Stephanie Leonidas, Tony Curran, Jaime Murray, Graham Greene and Mia Kirshner, while the video game was released today, April 2.

For the Defiance video game, if your purchase it for Xbox 360, Playstation 3, or PC by April 15, 2013, you’ll get a $20 Amazon Instant Video credit good towards the TV series premiering online on April 16 through Amazon Instant Video streaming service. See the Bonus Offer box on the product page for more details.

• An Adventure For The Masses – Intense third-person shooter gameplay focused on story-driven missions designed to be played solo or with other live players in the world around you.
• A Massive, Persistent World – Fully realized, persistent open world (no loading screens between zones) set in a futuristic San Francisco Bay Area, supporting tens of thousands of live players.
• Customize Your Character – Custom character creation, where you can play as a human or alien, modify your appearance, select different specializations, and become a unique citizen of the world.
• Player Progression Evolved – Console-native shooter with a multitude of weapons armors, and special abilities that evolve with experience.
• Unending Gameplay – With missions, emergencies, and endless exploration opportunities across a giant game world, Defiance is the genre-changing title that is sure to keep players engaged for years.