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