Here is the full list of all 60 Himiko achievements.
Zowdar
hit
kill1
Boo
Get a weapon
Take your first steps
Hello
At last
good memory
golden key
Unlocker
Puzzle solver
Beat Phase 1
walk into the dark
alternate menu
note?
note2
note3
Answer2
Answer3
Kill2
Awesome Kill
!!
!
Pentagram
Kill3
Kill4
Kill5
Kill6
Kill7
note1
To be continued
Boo!
Boo?
Are
You
Afraid
Of
Me?
key user
silver key
kill8
Booo