So what’s the secret of its success. For one ,the show is based on a serise of popular books “a song of ice and fire “,which has allowed for consistent storytelling .There’s less of a risk of the television writers running out of ideas .Another thing that sets Game of Thrones apart is the show’s high production values.On average ,one episod costs around US $6 million to Make. that’s a full US $4 million more per episod than regular shows on cable television. Game of Thrones ‘s higher budget allows for a cast of quality actors and huge battles sense with advanced spatial affects