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