From the creators of Running Fred!

A new hero, a new adventure! Help Jack to escape from the evil train of Dr. Jaykovich!

- Jump over the explosive barrels!
- Slide under those deathly lasers!
- Run over the walls to avoid the acid pool!
- Run over the roof of the wagons to get more coins!

Jack can upgrade his skills to jump, slide, walk over the walls, make a flying dash and much more. Using these skills you will be able to go further each time in a train full of traps and deathly devices!

Step 1. Download SuperSonic Jack Mod (Free purchase Free shopping) APK file on HappyMod.com.
Step 2. Once it's downloaded, open Downloads, tap on the APK file, and tap Yes when prompted.
Step 3.SuperSonic Jack Mod (Free purchase Free shopping) APK will begin installing on your device. Simple.

Step 1. Download HappyMod APK file on HappyMod.com.
Step 2. Once it's downloaded, open Downloads, tap on the APK file, and tap Yes when prompted.
Step 3.Search SuperSonic Jack Mod, click Download.
Step 4: You can download 100% working mods on HappyMod with one click.