Here is the full list of all 40 Shing! achievements.
Have 4 powerups on a single character
Achieve a 200 hit combo
Finish the story (Alternative Ending)
Master Level 4
Complete the 3rd challenge room
Complete the 6th challenge room
Complete the 2nd challenge room
Complete the 6th lore room
Complete the 2nd lore room
Complete the 1st lore room
Finish the story
Beat the final boss
Master Level 7
Complete Level 7
Beat the 6th boss
Master Level 6
Complete Level 6
Beat the 5th boss
Complete Level 5
Master Level 5
Find a hidden encounter
Complete the 5th challenge room
Beat the 4th boss
Complete the 5th lore room
Complete Level 4
Complete the 4th challenge room
Complete the 4th lore room
Beat the 3rd boss
Complete Level 3
Master Level 3
Complete the 3rd lore room
Beat the 2nd boss
Master Level 2
Complete Level 2
Prepare a homemade chicken soup
Complete the tutorial
Complete Level 1
Beat the 1st boss
Complete the 1st challenge room
Master Level 1