"I Wanted to Capture the Anguish of Conscripts": A Deep Dive into the Behind-the-Scenes of Modern Warfare 4 - Inven Global
Chanhwi "Charliee" Kim
Modern Warfare 4 (MW4) drew massive attention in Korea upon its initial reveal, as it is set in a South Korea embroiled in a Second Korean War.
Watching the trailer, I felt a complex mix of emotions: the excitement of seeing Korea become the game's main stage, and the chilling realization that the place I live could be transformed in an instant. At the same time, I was curious why the developer, Infinity Ward, had chosen Korea as the next major theater of war.
Just in time, Infinity Ward released a behind-the-scenes (BTS) look at the development of Modern Warfare. The video shared the development process and the reasons why they chose 'South Korea' as the next battlefield, which I have summarized below.
'Call of Duty': Returning to the Roots.
The developers at Infinity Ward explained in unison that they chose South Korea to breathe fresh life into the Modern Warfare title while refocusing on the series' core theme: 'Duty.'
Mark Grigsby, co-studio head at Infinity Ward, explained that the early Call of Duty titles were literally about the 'duty' of serving one's country and fighting in war. He noted that this Modern Warfare entry is an opportunity to return to the series' roots and tackle total war. He added that Korea is the perfect battlefield to capture such a heavy and serious narrative.
The developers described South Korea as a 'powder keg on the brink of total war,' focusing on the lives of citizens living day-to-day in such an environment, and the soldiers who dedicate themselves to the country out of duty and responsibility, rather than personal choice.
In particular, the developers explained that the conscription system perfectly highlights the 'zero-to-hero' theme, which is central to this Modern Warfare. Justin suggested that the moment a soldier—who was just drilling or performing daily routines—is forced to undergo a mental shift to save their comrades and subordinates will evoke complex emotions in players.
Furthermore, the development team mentioned that while the game will cover the South Korean military and Private Park, iconic characters from the Modern Warfare series, such as Captain Price and Task Force 141, will also play significant roles. They particularly emphasized that players will see the true nature of Captain Price in this installment. They urged fans to pay attention to how he navigates moral boundaries and what actions he takes, noting his line: "We get dirty, and the world stays clean. That's the mission."
Justin Harris | Lead Narrative Designer, Infinity Ward
The fact that they have no choice really hit home. There is a line from Private Park: "I don't have a choice about enlisting. I just get a notice telling me when to go." Ultimately, they are young people before they are soldiers. They serve and dedicate themselves to their country under a conscription system, yet war feels abstract to them. We wanted to capture their change in behavior and mindset when war actually breaks out in that situation.
Focusing on the Best Arcade Shooter.
They also revealed that multiplayer, a pillar of Call of Duty as significant as the campaign, is being revamped based on feedback from previous titles. Studio co-heads Mark Grigsby and Jack O'Hara emphasized that their development philosophy for this title wasn't about forcing their own design ideas regarding movement or gunplay, but rather focusing on simply making the 'best game possible.'
They explained that they actively incorporated user feedback to create natural, unrestricted movement, addressing the disappointment regarding 'movement' in the previous Modern Warfare 2 (2022).
They also discussed the new 'Kill Block' map, which features a new system. Inspired by stadiums where the structure changes for every event, the layout of the Kill Block map shifts with every match.
Geoff Smith, Multiplayer Creative Director at Infinity Ward, highlighted the unpredictability of 'Kill Blocks,' stating, "Kill Blocks have been an idea in the back of my mind for a long time. It started with the idea of making maps feel alive and having the structure change every round. In standard maps, you get used to the layout after five or ten matches, but Kill Blocks will offer a completely different experience."
Finally, they touched upon multiplayer design once more. Technical Designer Jack Hoppus and Lead Multiplayer Designer Jacky Reynolds explained that Infinity Ward is a playtest-driven developer and that they prioritize designs where all types of players can excel.
Jacky Reynolds | Lead Multiplayer Designer, Infinity Ward
Sound - The Foundation for a Realistic Battlefield
In a war game, sound is just as important as visuals. Realistic gunfire, explosions, and equipment sounds make players feel as if they are in the middle of the battlefield. Stephen Miller, Studio Audio Director at Infinity Ward, based his work on this very principle.
He explained that he traveled everywhere—from Idaho and Texas to Nevada—to record a variety of sounds. These recorded sounds are then integrated with the in-game sound design to bring the experience to life.
Miller also emphasized that how recorded gunfire changes based on the environment and ensuring it does not interfere with gameplay are key considerations in sound development. Demonstrating the development tools, he explained, "This is what we call a sound monitor. We use it to check reverb and ensure footsteps are audible. We also meticulously test weapon sounds to make sure they remain impactful and satisfying at various distances."
One additional aspect that has been improved and enhanced in terms of sound is 'Proximity Chat.' It was confirmed that in this title, Proximity Chat will offer a more realistic experience, with audio being affected by buildings and wall structures, causing it to echo or become muffled accordingly.
Stephen Miller | Studio Audio Director, Infinity Ward
Art - The Secret Origin of the Iconic Character 'Ghost'
The trailer also provided a brief look at the design of 'Ghost,' a member of Task Force 141 who is shown in opposition to Price. Joel Emslie, Studio Art Director at Infinity Ward, explained, "The Ghost in Modern Warfare is both a tribute to the Ghost from the original Modern Warfare trilogy and a design that will satisfy new players."
He further emphasized that he wants everything appearing in the Modern Warfare universe, including Ghost, to maintain 'visual consistency.' The conclusion of every work process must align with the art direction Modern Warfare strives for: realism.
The Ghost included in the Vault Edition is an extension of this. It was designed to be unique yet realistically plausible. Director Emslie explained that incorporating slight asymmetry is one method they use. He mentioned that if something is too symmetrical, it looks digital, artificial, and even unrealistic, so they intentionally use asymmetrical elements to bring out a human touch.
Joel Emslie | Studio Art Director, Infinity Ward
As time passes and technology advances, our working methods have changed. The unchanging fact is that we must provide art direction that satisfies 'Call of Duty fans.' We are simply doing our best to create interesting art.
Meanwhile, Call of Duty: Modern Warfare 4, which has become a hot topic in Korea for its Second Korean War theme, is scheduled for a simultaneous worldwide release on October 23, 2026. This title will be available on current-gen platforms: PS5, Xbox, PC (Steam and Battle.net), and Switch 2.
This article was originally written in Korean and translated with the help of NC AI. It was then edited by a native English-speaking editor. All AI-assisted translations are reviewed and refined by our newsroom.
CALL OF DUTY MODERN WARFARE 4
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