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