Here is the full list of all 24 Smile For Me achievements. It takes around 5-6 hours to unlock all of the achievements on Windows.
Forgive and forget.
Find the Duck’s true owner
Find an alternative route
Leave unfinished business at the Habitat
Escape the Habitat
Some crimes can’t be forgiven.
No thank you ma’am
Accept a smooch
Satisfy every habitician
You really went and did it, huh?
Find every diary page
Dispose of the Duck
Satisfy 15 habiticians
Grip a Y’owl for Borbra
Clean Kamal's teeth
Unlock the Terrace
Get a very high score at Whack-a-Molar
Discover a hidden sweetheart
Help a friend in need
Unlock the Lounge
The secret’s out...
Unlock the Carnival
Hit Ronbo with a golf ball
Satisfy a Habitician