Modern Warfare is typically the free version which has a huge map. I wouldn't worry about it personally. That game is a resource hog and RAM usage probably goes up and down quite often. I still use 16g and have no problems running it.

Play Warzone!" for free now. Internet Connection, Battle desktop app, Battle account and Activision account required to play.

Call of Duty: Modern Warfare III is a 2024 first-person shooter video game developed by Sledgehammer Games and published by Activision. It is a sequel to 2024's Modern Warfare II, serving as the third entry in the rebooted Modern Warfare sub-series and the twentieth installment in the overall Call of Duty series.