Here are the samples used for the sound FX and the voice of Gex. Done by doing the usual fare of running hueg-arse files through PSound then dealing with 2/3 rd of it being duplicates. Enjoy! 
Feel free to notify me if there are any problems.
DL linx:
Character Voices:
Gex - https://www.dropbox.com/s/qls25pxuwou0clq/GexVoice.zip ~21.2 MB
General Sounds:
Sound FX - https://www.dropbox.com/s/09uhb9ussx8esfx/GexSFX.zip ~3.56 MB
I've also got the music (not for upload obviously) on my Dropbox here's the link:
https://www.dropbox.com/s/evsjb0v8vhq1enm/GexMusic.zip ~116.16 MB

Feel free to notify me if there are any problems.
DL linx:
Character Voices:
Gex - https://www.dropbox.com/s/qls25pxuwou0clq/GexVoice.zip ~21.2 MB
General Sounds:
Sound FX - https://www.dropbox.com/s/09uhb9ussx8esfx/GexSFX.zip ~3.56 MB
I've also got the music (not for upload obviously) on my Dropbox here's the link:
https://www.dropbox.com/s/evsjb0v8vhq1enm/GexMusic.zip ~116.16 MB