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