Here is the full list of all 12 Henry's Day achievements.
Collected all of Zander's journal entries.
Obtain Creep's magic shoes.
Find the keys to the car outside of Henry's apartment.
Drink Zoooble's experimental energy drink.
Get rid of the racoon problem in Summer City.
Choose to join Lucas.
Take down Zoooble.
Make Lucy think you're hilarious.
Make Jen so angry she won't talk to you.
Listen to Simon's super long story.
Find the Red Panda.
Help Zander take control of Zoooble.