Here is the full list of all 16 Super Fancy Pants Adventure achievements.
Defeat all challenges in the Volcano
Defeat Boss 1 in under 45 seconds
Defeat all challenges in the Volcano Approach
Defeat all challenges in the Tree Pirate Valley
Learn every fighting move, through the power of Ice Cream!
Defeat all challenges in the Squiggleville Plains
Defeat a baddie with a rolling mouse
Defeat a mouse with it's own shot.
Stomp 10 baddies without touching the ground
Defeat all challenges in the Basement Spire
Slide through 4 baddies in one slide
Defeat 20 inklings in 10 seconds with ink shots
Keep a baddie in the air for over 20 hits.
Defeated 20 inklings without getting hurt
Purchase your first Ice Cream cone on the first floor of the Bathtub Tower.
Find a door, unlock a thing!