Here is the full list of all 11 Fruit Mountain achievements.
Make a watermelon
Combine watermelons
Make 10 watermelons in total
Achieve a score of 5000 in a single play
Achieve a score of 8000 in a single play
Reach a cumulative score of 50000
Game Over with a score of 0
Achieve a 7 chain combo in a single play
Reach a cumulative chain of 300
Combine fruits 3000 times in total
Complete All Achievements