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Dual Screen Sound Format
Developer: CaitSith2
Header: PSF
Content: Unknown
Instruments: External
Target Output
Output - Digital Audio.png Output - MIDI - No.png Output - FM Synthesis - No.png Output - PSG - No.png
Released: ?
First Game: N/A
  • *.2sf
  • *.2sflib
  • *.mini2sf

Dual Screen Sound Format is an audio format based on PSF. It stores audio ripped from the ROMs of Nintendo DS games. Music instructions are stored in files with a .2sflib extension and the music notation is stored in files with a .mini2sf extension.




All games released for the Nintendo DS can have their soundtracks ripped to 2SF, except games using streamed formats such as ADX (an example being The World Ends with You).

How to Obtain

2SF rips require an intimate knowledge of the Nintendo DS hardware to create. Fortunately, a large number of 2SF rips have already been made and can be downloaded from the following sites: