There are 10 achievements worth a total of 50 points
Use an air-brake to slow the flower.
Reached level 5 in any game mode.
Reached level 20 in any game mode.
Reached level 35 in any game mode.
Flower reached terminal velocity.
Picked up a single sunshine orb.
Picked up 100 sunshine orbs (in any single session).
Died 20 times in any single session.
Found the secret level.
Completed the game in any mode.