Here is the full list of all 32 Kio's Adventure achievements.
Quickest skating
If I can be a himouto
Beat the boss at bathroom
Greed curses you
Free the hands first
I want some drinks
I think she is out
The map is bad
Be brave!
Completely watch the animation of key srhinking
Something should not be touched
Feel painful
Find weird picture
Am I dead?
First time to save the game
Collect all of dead pitures
Find all of hidden rooms
Find WHO made this game
Get a gift from Light
Get the photo from Stan
Wait until get in C's room
No zuo no die
Saying no while doing yes
Touch the picture when sneaking at Bobo's living room
Can't wait to meet Bobo
Who figure out this idea?
You deserve to die
Too long and I don't understand
Beat the final boss
Especially in such bad world
Don't cure yourself
Beat the final boss only use pistol