To prevent fraudulent configuration change.
Input of a release key is required after the configuration is changed. When the release key input matches a predetermined release key, the state for changing a setting value is completed, but when the release key input does not match a predetermined release key, state for changing the setting value is not completed. Thus, a third person who does not know the release key cannot play a game even if he/she changes the setting value fraudulently since the configuration change cannot be completed unless the release key is properly input after changing the configuration and he/she cannot enjoy any profit caused by such fraudulent configuration change, hence such a fraudulent configuration change can be prevented.
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FUJIWARA MASAKAZU
SAKAI MASATO
IMAI TAKAO
ONO YOICHI
WADA MANABU
TAKEUCHI KENICHI
SATO NAOYUKI
NISHIDA KIYOSHI
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