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