Welcome to the Candy Crush Saga Community
Do you have a question or need help with your game? Ask the Community.
Here's how to find where people give you lives, how to add new people.
Click on the envelope.
Click on the lives people sent you to claim them. You can send requested lives to others
If you click on friendship you will see where people request to be added by you and also a where you can send others your link so they can add you
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Yes, @Zaide some levels are very difficult if you are trying to complete them in one attempt.
The consensus is that some levels are designed to leave you one move, or one jelly, or one Gummi Dragon short of the required target in order to persuade people to buy boosters/gold for their game to protect their win streak.