Call of Duty Mobile (CODM) requires a significant amount of storage space due to the high-quality graphics, frequent updates, and additional content such as maps, game modes, and events.
As reported by IGN, players with early access to the game's single-player campaign found that the total file size for Call of Duty at installation which also includes the Modern Warfare II campaign, Warzone, and Call of Duty HQ now comes in at 234.9GB on PlayStation 5.