Here is the full list of all 24 Cornflower Corbin achievements.
Reach max size for the first time
The open ocean is yours to explore, play this level in single player action now.
That mine field had nothing on you, play it in single level action now.
What a ship wreck, play this level in single player action now.
Atlantis is a strange place, but you figured it out, play this level in single player action now.
Space?, play this level in single player action now.
The end, you made it, play this level in single player action now.
Take out 100 Barracudas
Deflate 100 Blowfish
Absorb 50000 damage from your foes
Die 100 times
Collect 100 of the purple (double power) power ups
Take out 1000 Jellyfish
Get 10k kills
Eat 100 Krill
Kill 100 Mermen
Reach max size 100 times
Score a total of 1000000000 points
Kill 2500 sharks
Hide behind a shield 200 times
Fire 1 million shots
Take out 100 Squid
Use 100 Triple Laser Powerups
Destroy 5000 Turtles