Here is the full list of all 12 Zippy the Circle (Level 5, Level 6, and Level 7) trophies - there are 11 gold and 1 platinum.
Great job! You got all the trophies! Congratulations!
Get the medal for Level 7
Complete Level 7 with the timer lower than 750
Complete Level 7 with the timer lower than 1000
Complete Level 7
Jump on a spring
Get the medal for Level 6
Complete Level 6 with the timer lower than 750
Complete Level 6
Complete Level 6 with the timer lower than 1000
Complete Level 5
Get the medal for Level 5