Here is the full list of all 26 Kitten Burst achievements.
Pwn GuardDog Antivirus
Pwn CopyCat
Survive 6 Laps Against the Chaos Butterfly
Complete Part A:/
Unlock 10 Hats
Play at 4:3 resolution with the "Low" quality setting
Do a Barrel Roll!
Pwn DelTree
Pwn DogRipManager
Pwn T3h
Survive 6 Laps Against TrustMe
Complete Part B:/
Capture the Orb
Convince T3h to join the crew
Find 20 keys throughout cyberspace
Collect all 6 webtoys and admire them in the FAQ
Survive 4 Laps Against Cosmo the Scolar
Power up to level 8
Power up to level 15
Power up to level 20
Collect all Hats, Patterns, & Palettes