To Receive Key from MPOGD:
Follow the steps below to redeem in-game codes!
Click the Claim Free Gifts button in the top left of the Roll 'n Rock map page
In the Newbie Pack tab, input your code into the Serial Number field and click Claim Rewards
If successful, you will get this pop-up window
You should now see the Starter Kit in your Bag!
The Starter Kit Item descriptions:
Item Description: Enjoy VIP privileges for 1 day after use.
Item Description : Enjoy Double EXP for 1 day after use.
Item Description : Open to obtain 30,000 gold.
Item Description : Ghostly house background.