There are 12 Trophies that can be earned in this title.

Bronze

Slide Queen
Defeat 100 enemies using slide

Speedy Kitten
Total best level times of 90 minutes or less

Weaporisseur
Purchase all the Free Blades from Hundert Tonne

Fashionista
Purchase all the costumes from Hundert Tonne

Nine Lives
Die nine times in any one level

The Kit Fu is Strong in This One
Defeat 10 enemies in a row without losing health

Invisible Bike
Perch on and throw an enemy

Silver

Icky Skiffy
Defeat Acland – successfully complete Act 1

New BFF's
Defeat the Dreadnaught – successfully complete Act 2

Kitten Power
Complete any level without losing health

Loot to Boot
Find all the treasure chests in the game

Gold

Unfriendly Fire
Defeat 5,000 enemies

http://www.ps3trophies.org/game/blade-kitten/trophies/