NO JAILBREAK REQUIRED!
Note: This is a UNIVERSAL APP so this HACK works for both iPhone and iPad.
Hack Features:
-ALL CAR PACK UNLOCKED
-ALL RACE PACK UNLOCKED
Instructions:
1. Install the app.
2. Open the app till you get to the MENU then close the app from the multitask.
3. Download>>Click here4. Just copy the downloaded file using iFunbox to:
User Applications/Carmageddon/Library/StainlessFiles