Sledgehammer co-studio head Glen Schofield would welcome the chance to complete the company's original project, a cancelled third-person Call of Duty game, were parent company Activision keen to do so.
"I was really getting into the story," Schofield told Game Informer. "We had some really cool mechanics... If they ever asked us to a make a third-person Call of Duty game I'd go back to what we were doing."
Schofield and fellow Sledgehammer boss Michael Condrey previously oversaw the Dead Space series at EA's Visceral Games before joining Activision in 2009 to form a new studio in California. They worked on the third-person CoD game for "at least six to eight months", according to Schofield, before taking up the opportunity to help Infinity Ward complete Call of Duty: Modern Warfare 3 after many of the studio's core staff left Activision to join Respawn.
The cancelled game took place during the Vietnam War, Schofield said. "We had the underground tunnels. We were definitely getting some Dead Space moments. I don't mean that from sci-fi, I mean that was a war that was scary for the [American soldiers]. They didn't know if in the jungle there was a booby trap, or what was in those tunnels. And there were thousands of miles of tunnel underground. It was a hidden war, right? Everybody thought the war was in Vietnam, but it was in Cambodia and Laos. So we were telling a cool story.
"We found out as we were researching it as well, all around the world it's actually known as America's war. Not Vietnam's. We were the only ones that called it the Vietnam War. It's kind of unpopular. And we didn't really understand the marketing aspect of that."
Had Sledgehammer continued the project, it's possible it could have been taken in a different direction. Schofield told CVG October 2011 that the game was "probably set at a time that might have niched it too much. I bet that if we had kept going, within a month or two I probably would have switched the time period, but kept the gameplay".
The shooter is said to be set in a plausible future, specifically the year 2054, and stars Kevin Spacey as main antagonist Jonathan Irons. The Call of Duty Advanced Warfare release date is set for November 4 on Xbox 360, Xbox One, PS3, PS4 and PC.