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