Sonic Games PAC

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PAC

  • Format Type : Archive
  • Endian Order : Big Endian \ Little Endian


Format Specifications

//header
4 bytes (char) - signature  // "PACx"
3 bytes (char) - version  // "201" - Mario & Sonic at the Rio 2016 Olympic Games 
                          // "301" - Sonic Forces
1 byte (char) - endian flag  // "B" - big endian
                             // "L" - little endian
4 bytes (uint32) - UID / Archive Size

//TODO

MultiEx BMS Script

Not written yet.

QuickBMS Script

Notes and Comments

  • Files inside archive may be compressed with LZ4 or Deflate compression methods.

Games

List of games using this file format:

  • Puyo Puyo Tetris 2
  • Olympic Games Tokyo 2020 - The Official Video Game
  • Mario & Sonic at the Olympic Games Tokyo 2020
  • Sakura Wars
  • Sonic Forces
  • Sonic Lost World (PC/Wii U)
  • Mario & Sonic at the Rio 2016 Olympic Games (Wii U)

Compatible Programs

HedgeArcPack Example

HedgeArcPack can be used to unpack data:

HedgeArcPack.exe -T=rio -E pea_anim_gymcln_BRZ.pac out_dir