Here is the full list of all 19 Spiral Splatter trophies - there are 4 bronze, 5 silver, 9 gold and 1 platinum.
Good job! Completed all tasks!
Congratulations, you've completed all levels with 3 stars
Congratulations, you've completed all levels with at least 2 stars
Congratulations, you've completed all levels with at least 1 star
Congratulations, you've completed all levels
Congratulations, you've unlocked stage 11
Congratulations, you've unlocked stage 10
Congratulations, you've unlocked stage 9
Congratulations, you've unlocked stage 8
Congratulations, you've unlocked stage 7
Congratulations, you've unlocked stage 6
Congratulations, you've unlocked stage 5
You have splattered 500 times
You have splattered 250 times
You have splattered 100 times
Congratulations, you've unlocked stage 4
You have splattered 50 times
Congratulations, you've unlocked stage 3
Congratulations, you've unlocked stage 2