Here is the full list of all 41 Shio achievements.
Real Ending
Total Time
Total Time On Chapter 2
Total Time On Chapter 3
Total Time On Chapter 4
Find All Collectibles
Complete Boss Stage in Chapter 3(Without Chopping Your Hand)
Beat First Secret Room in Chapter 3
Beat Second Secret Room in Chapter 3
Beat Third Secret Room in Chapter 3
Beat Fourth Secret Room in Chapter 3
Complete Chapter 3
Complete Chapter 4
Sit in The Tower
Die 1000 times
Fake Ending
Complete Boss Stage in Chapter 3 (Chop Your Hand)
Find Shio’s Little Room
Find Icey in TV
Find All Stories
Beat Fourth Secret Room in Chapter 1
Beat First Secret Room in Chapter 2
Beat Second Secret Room in Chapter 2
Beat Third Secret Room in Chapter 2
Beat Fourth Secret Room in Chapter 2
Talk to Gao 20 times
Find Gao in Secret Room
Beat First Secret Room in Chapter 1
Beat Third Secret Room in Chapter 1
Find Yan’s Empty Bottle
Win Race
Complete Chapter 2
Complete Boss Stage in Chapter 2
Total Time On Chapter 1
Complete Boss Stage in Chapter 1
Complete Chapter 1
Find a Secret Room
Find Yan’s Mask
Beat Gao’s Time
Beat Second Secret Room in Chapter 1
Find Shio’s Letter