I have attached few decrypted files here, just as an example that it is possible. note that you need to decrypt this file, before you can read it ! so by modifying this file, you can still use those banned serials. i googled for one of the serials and it shows up in many places. What i just found out is that they have added public tdu2 serials into a banlist of serials. TireModelParam TireName = Max SlipRatio Max SlipAngle StartLooseLateral MaxLossLateral ResistiveCoefLongitudinal LateralResistiveCoefLongitudinal TireFrictionParam TireName = Global friction Lateral Coef Brake Coef TireParamsList = 13 Tarmac1 Tarmac2 Tarmac3 TarmacR Police Classic1 Classic2 Offroad1 Offroad2 Offroad3 BikeTarmac1 BikeTarmac2 BikeOffroad Like this example is part of Physics.cpr file (its decrpyted using tdudec). I have successfully decrypted physics so i can see and edit the base physics, like grip on tarmac, wet, offroad.etc. You can use tdudec to decrypt tdu2 files, however extracting them from. No tutorials yet, but i see that ppl are struggling with this once again. NOTE - you should read my TDU handling editor post first, where is included tdudec tool and more ! only discussion stays on forum, so for updates check that article Knowledge Database Article of Test Drive Unlimited 2 - Hacks, Hacking and Modding is now available. This thread is locked and continues in Test Drive Unlimited 2 Hacks and Hacking