1.Bug Fix
Fixed a bug that sometimes prevented players from progressing through the stages correctly in Nightmare Mode.

1.Additional function
Added Nightmare mode.
If you clear ORIGINAL mode or RePOP mode with all survivors rescued, Nightmare mode will be added.
After that, you will be able to enter Nightmare Mode by selecting "NIGHTMARE MODE" from the main menu.

2.Bug Fix
Fixed an issue where unnatural voice messages were played after defeating a female police officer in Stage 1.
Fixed an issue where the voice before Morikawa's event was not playing in Stage 1.
Fixed an issue where spelling was incorrect on the stage select screen in some languages.
Fixed an issue where rescued students did not fade away on some stages.