Strategy Guide/Walkthrough/FAQ


Note: This game is also titled Forbidden Siren.

  • Brain Cell Revival (Zuno) puzzle mini-game

    Find Archive 087 in Kyoya Sudo's stage (03:00 on Day 3).

  • Time attack mode

    Successfully complete the first two objectives on all levels in every scenario to unlock the first ending sequence. Then, press Square at the scenario selection screen.

  • Hidden FMV sequence

    Successfully complete the game after finding all 100 Archives. A bonus FMV sequence will be unlocked at the top right corner of the scenario selection screen.

  • Mission Objectives 2

    To unlock Mission Objectives 2 for every character and/or scenario, complete 19 stages in any order. Then, press L1 + R1 while the stage is highlighted at the scenario selection screen. Note: You will automatically obtain it after completing the random 19 stages.

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