rkthelegend wrote: ↑Sun Jul 05, 2020 9:17 am here is the link for extractor.exe

http://www.volny.cz/nova-software/files/extr25.zip

That's exactly what I did
Apparently wav "common" sounds have different encryption !!
I played all level sounds, but "common" sounds are not compatible with this method !!
Could you

Hey man i hope everything is fine with you. to decode those IGI 1 .wav files to playable .wav files you do the below process 1- download Project_IGI_1_Audio_Decoder_By_rkthelegend.zip from the link 2-extract it somewhere in your computer. 3-take the wav files you want to decode and copy them to Pro...

i managed to play the wav files. actually they are ADPCM 4 bit and hex shows .ilsf i think ilsf stands for inner loop sound file which is the developer of IGI. if anyone needed help can contact me via my youtube channel Rahmat tutorial buffet https://www.youtube.com/channel/UCvCyxV4VhEq9lS5LYeXi2eg...