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