Zynga says:
" You can have your cake and eat it too with the upcoming Cake Jailbreak event! You'll have a limited time to collect different cakes from your mafia to earn awesome new mastery items. You'll be working on 3 cakes filled with escape tools to get out of jail. Each cake will have 3 levels of mastery for you to complete."
So thats the purpose, collect all 3 Cakes by for the grand prize : The Birthday Cake, Wedding Cake, and Cupcakes will be unlocked one at a time and available to send from your free gifts page. Once you master all 3 cakes through the gold level, you'll be rewarded with the grand prize for your efforts.
The event starts in December 1, and it may last 1 week.
The Grand Prize:
Mug Shot (Attack: 94 / Defense: 136)
Cakes mastery awards:
Cake 1: Birthday Cake
- Mastery Reward : Lockdown
- Bronze mastery: 58 / 34
- Silver mastery: 66 / 40
- Gold mastery: 74 / 46
Cake 2: Wedding Cake
- Mastery Reward : Jailbird
- Bronze mastery: 37 / 60
- Silver mastery: 42 / 68
- Gold mastery: 47 / 76
Cake 3: Cupcake
- Mastery Reward: Orange Peel
- Bronze mastery: 63 / 26
- Silver mastery: 71 / 33
- Gold mastery: 79 / 40
Get ready for the tasty fun - the Cake Jailbreak is coming your way!