Here is the full list of all 10 Strikey Sisters achievements.
Beat all extra levels!
Get all Stars in extra levels!
Catch all monsters and complete the bestiary!
Get 100% green gems!
Beat the final boss and rescue Sachiro!
Beat all stages in the game!
Defeat all bosses!
Uncover all the map!
Get 100% coins in some stage!
Beat any stage with 3 life hearts!