Nancy Drew DAT

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  • Format Type : Archive
  • Endian Order : Little Endian
  • Signatures : CIF TREE / CIF FILE / WayneSikes / HerInteractive

Format Specifications

// header
4 bytes (char) - signature // "CIF "
4 bytes (char) - file type // "TREE" or "FILE"
12-16 bytes (char) - unknown  // "WayneSikes" or "HerInteractive"


Notes and Comments

  • Those DAT archives contain puzzle overlay images (basically any movable object in a puzzle), character dialog animation videos, interface images, and the game logic.
  • The format for the CIFTREE.DAT archive changed with almost every game.
  • The format uses LZSS compression method.
  • The format occurs in games made by Her Interactive.
  • The format doesn't store extensions for files.


List of games using this file format:

  • Nancy Drew: Alibi In Ashes (*.DAT)
  • Nancy Drew: Secrets Can Kill
  • Nancy Drew: Stay Tuned for Danger
  • Nancy Drew: Message in a Haunted Mansion
  • Nancy Drew: The Secret of Shadow Ranch
  • Nancy Drew: Curse of Blackmoor Manor
  • Nancy Drew: The Final Scene

QuickBMS Script

Compatible Programs

See Also