Cognitive warfare finds a new field of application in video games and the metaverse because of the potentialities offered by these immersive universes, the dizzying improvements in AI and the lack of regulation. Thanks to the universal and real-time understanding enabled by AI, video games and the immersive worlds of the metaverse will reach a crescendo and generate widespread misinformation in line with online cognitive warfare in SSA, rendering the human brain a new field of conflict. Presented jointly at the Global Engagement Center (US Department of State) & Ecole de Guerre (French Ministry of Armed Forces)