Here is the full list of all 10 Heads Up! Phones Down Edition achievements.
Play ten different decks
Play twenty-five different decks
Play fifty different decks
Play a deck
Play ninety different decks
Correctly guess five words in a row
Guessed every word in a round correctly
Guessed a word in the last second of the round
Pass three words in a row
Didn't guess any words in the round