omg/mnu Evangelion Shin Gekijou-ban PSP Game

[martinodes]

hello dear,

i am looking for information about some file from the game i mention above.
as how to extract them or how to change some valvue

the structure :
Evangelion Shin Gekijou-ban 3nd inpact (asia)

psp_game

• usrdir
  
  • at
    
    • at00.cpk
      
      • at_4th.pmf video
      • at00_steamfiles.awb/at00.acb sound
      • stage1.bin ???
      • stage10.bin ???
      • battle00.arc
        
        • many .omg files (wrong file name) animation
        • some .gim files pictures
      • batle01eva.arc
        
        • 00000018.mnu ???
        • battle01eva_unpack.arc
    • ...

[CoreDreamStudios]

I think mnu is menu layout, stage1 and stage10 might also be level layout/design based.