Here is the full list of all 9 Chronovolt trophies - there are 2 bronze, 6 silver and 1 gold.
Unlocked World 2.
Unlocked World 3.
Completed World 1 with all the stars.
Completed World 2 with all the stars.
Got all the stars.
Taken out a Chaser from a great distance.
Opened 50 doors.
Beaten a friend.
Use each power 20 times.