You have 5 hearts at the start.
Playing one level will take one heart, but heart will be replenished in 60 min.
When your beat your own result on the level, you will get your heart back.
So, the 1st play of every level will bring your heart back, in case of success.
As well, when you own 3 stars, you can play this level for free.
Posted in: Wild Combo : Help & Rules