"They're (Trion) building this deep, rich world and we were trying to create interesting character drama, " Stern said.

CNN: 'Defiance' merges TV, video-gaming worlds

Trion Worlds jumped into the gaming industry with its online massively multiplayer role playing game Rift, which launched in March.

FORBES: Trion Worlds Takes Up Free-To-Play Gaming Model

But unlike casual social games, End of Nations is a video game-quality free-to-play game, says Lars Buttler, CEO of Trion Worlds.

FORBES: Trion Worlds Takes Up Free-To-Play Gaming Model

Hill agreed, saying Trion pushed SyFy to think about larger details earlier when the show producers wanted to work in character details.

CNN: 'Defiance' merges TV, video-gaming worlds

Buttler says more third party titles will be launching on Trion Worlds.

FORBES: Trion Worlds Takes Up Free-To-Play Gaming Model

Trion Worlds is announcing that its strategy game End of Nations will be free to play, as many social games like Zynga are.

FORBES: Trion Worlds Takes Up Free-To-Play Gaming Model

Trion argued for the runup to Christmas, when game sales peak.

FORBES: With 'Defiance,' Comcast's Syfy Bets $100M On Convergence Of TV And Videogames

Trion Worlds recently hired Dave Luehmann, who previously was general manager of Microsoft Game Studios working on the Xbox, as its vice president for 3rd party development.

FORBES: Trion Worlds Takes Up Free-To-Play Gaming Model

Rob Hill, senior producer at Trion, points out the two main characters from the show, Joshua Nolan and Irisa, actually appear in the game before they show up in the series and go on missions with the player.

CNN: 'Defiance' merges TV, video-gaming worlds