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