Here is the full list of all 34 Aqua Kitty - there are Milk Mine Defender achievements.
Beat the Boss on Normal Mode in under 3 minutes.
Reach wave 20 of Infinite Espresso in Normal Mode.
Player 1 max out all shop items in Arcade Mode.
Reach wave 15 of Infinite Espresso in Normal Mode.
Save all the mining kittens in Normal Mode.
Complete all levels in Normal Mode.
Go crazy and destroy 20 enemies in an exceedingly short period of time.
Destroy 40 Super Dodgers!
Beat the Boss on Easy Mode in under 3 minutes.
Save all the mining kittens in Easy Mode.
Complete all levels in Easy Mode.
Lose too many of those cute milk miners.
Destroy 250 Craboids!
Chain 3 bombs in under 2 seconds.
Destroy 100 Mouthfish!
Have all three directional pickups active at once.
Rescue 100 miners from being abducted.
Destroy 200 Jellygrabs!
Destroy 20 Super Paleofish!
Reach wave 10 of Infinite Espresso in Normal Mode.
Destroy 150 Dodgers!
Destroy 100 Angelfishies!
Complete level 11 without turning in Normal Mode.
Destroy 180 Puffabooms!
Reach wave 30 of Infinite Espresso in Easy Mode.
Reach wave 20 of Infinite Espresso in Easy Mode.
Reach wave 15 of Infinite Espresso in Easy Mode.
Reach a maximum chain bonus of 99.
Reach wave 10 of Infinite Espresso in Easy Mode.
Destroy 60 Nautilus!
Destroy 80 Paleofish!
Save all the mining kittens in Arcade Mode.
Complete all levels in Arcade Mode.
Beat the Boss on Arcade Mode in under 3 minutes.