Here is the full list of all 12 Influent achievements. It takes around 8-10 hours to unlock all of the achievements on Windows.
Complete all tasks on the to do list!
Master all 420 words in the game!
Collect all 420 words in the game!
Master 400 words!
Master 300 words!
Master that cake!
Master half the words in the game!
Master 200 words!
Master 100 words!
Kaboom!
Master 50 words and unlock Fly By!
Master your first word!