http://192.210.144.210/downloads/GSCExtreme_v121_Setup.exe
http://192.210.144.210/downloads/GSCExtreme_v121_Setup-1.bin
http://192.210.144.210/downloads/GSCExtreme_v121_Setup-2.bin
http://192.210.144.210/downloads/GSCExtreme_v121_Setup-3.bin
http://192.210.144.210/downloads/GSCExtreme_v121_Setup-4.bin

Depois fazer os updates oficiais:
http://www.reizastudios.com/downloads/GSCExtreme_v125_UPDATE.rar
http://www.reizastudios.com/downloads/GSCExtreme_v1252_UPDATE.rar
http://www.reizastudios.com/downloads/GSCExtreme_v127_UPDATE.rar
http://www.reizastudios.com/downloads/GSCExtreme_v130_UPDATE.rar
http://www.reizastudios.com/downloads/GSCExtreme_v131_UPDATE.rar

Colar estes ficheiros steam: 
http://www.mediafire.com/download/4bdbzwvss2ibe2e/GSC-1.30-Files.rar

E meter o crack 1.30 novo: 
http://www77.zippyshare.com/v/dTyhTAjC/file.html
crack 1.31
http://www23.zippyshare.com/v/HVEQqFTc/file.html

Enjoy!
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------------------------------------ NOVO ---------------------------------------------------
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UPDATE 1.33
 http://www.reizastudios.com/downloads/GSCExtreme_v133_UPDATE.rar
 
 CRACK:
 http://www17.zippyshare.com/v/EwmsxwAe/file.html
 http://www.mediafire.com/download/naz1f68qbv479il/GSC_-_1.33_-_Missing_Files.rar