These goals include a mandatory Star Goal, and possibly another goal such as:
You must meet the first Star Goal to complete the level, along with any other required goals. Tap on a Star before starting a level to see the required score to achieve it.
Completing the level’s goals before running out of spins results in a Cascade and completing the level! Not meeting the goal within the required number of spins results in a loss.
If you have run out of spins, you need to either use boosts or a Continue token to continue the level. Otherwise, you must start the level over and lose one of their Lives.
Earning Stars also provides Gold Bars and Star Cards while playing.