Here is the full list of all 12 Tipping Point achievements.
Dial a wrong number on the telephone.
Navigate cave without reaching a dead end.
Find the Easter egg.
Kill 10 Orcs.
Kill the merchant.
Prepare a Simarouba cocktail with the Easter egg.
Feed the sleeping flamingo.
Complete level 1 of Space Invaders without losing a man.
Complete all 5 chapters.
Type a dirty word into the Spoke & Spelled toy.
Light up all 9 lights on the Merman toy.
Reveal the full picture of the fire statue in chapter 5.