Here is the full list of all 29 Maria the Witch achievements.
3000 Retries
1500 Retries
Completed World 4
Completed World 3
First 50 Mails
First 50 Coins
Completed World 2
500 Retries
Beginner Take Off
Beginner First Coin
Beginner Landing
Beginner CheckPoint
Beginner Arrival
Beginner First Mail
First 10 Coins
First 10 Mails
First 100 Brooms
First 500 Brooms
First 1000 Brooms
250 Retries
Completed World 1
First 100 Coins
First 100 Mails
First 250 Brooms
Completed World 5