Modifying files can break the game logic, causing crashes or permanent loss of progress.
Interestingly, modern Kairosoft games (2022 onward) have started implementing "Anti-tamper" checksums that change every time you save. This has forced the modding community to get smarter, moving away from simple hex editors to dynamic Python scripts that recalculate the checksum post-edit.
: Modifying employee/resident stamina, skill levels, or luck. Meta-Progress : Resetting or advancing genre/type levels in games like Game Dev Story Risk and Prevention [KA] Process to move or backup save file from iOS/Android
For developers, the Kairosoft Save Game Editor provides a valuable tool for: