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