Previously, the Cheat Engine had been working fine with Rance 9, but with the game's latest updates, the software became incompatible. The issues arose due to changes in the game's memory structure and encryption methods. As a result, the Cheat Engine could no longer detect the game's memory values, making it useless.

: Always create a backup of your save data before activating complex scripts, as memory manipulation can occasionally corrupt a specific save file. How To Use Cheat Engine - Tutorial With Examples

: Alicesoft games sometimes include "asshole design" features where changing a value manually causes it to reset to 0 immediately after.