For the classics ( Yume Nikki , OFF , Ib ), you need a retro tool. (often just called "RKS") is the go-to.
While the engines (2000, 2003, XP, VX, VX Ace, MV, and MZ) have evolved, the save file structure has remained surprisingly consistent—and equally vulnerable to modification. But with dozens of tools scattered across defunct forums and GitHub repositories, which one deserves the title of "Top Editor"? rpg maker game save editor top