Here is the full list of all 31 Word Factori achievements.
build 10,000 boxes
build 96 words
complete 7 words of the day
discover all secret characters
discover 50 stickers
find all letter recipes
complete all secret levels
finsh all levels
complete all main levels
place 500 buildings
spin buildings 20 times
discover 25 stickers
build 5,000 boxes
complete all challenge levels
discover 50 recipes
discover a sticker by typing your own word
build a word that you typed
find a recipe for each letter
build 24 words
discover your first secret recipe
throw a building off screen
discover 10 stickers
type your own word
complete a word of the day
discover 20 recipes
build 12 words
complete a challenge level
discover your first sticker
finish the tutorial levels
build 100 boxes
discover your first recipe