Here is the full list of all 22 Little adventure 2 achievements.
Kill the slug!
Kill the bat!
Kill the bee!
Kill the spider!
Kill the Skeleton Swordsman!
Kill the Archer Skeleton!
Kill the skeleton mage!
Kill the Spearman Skeleton!
Kill the skeleton with your shield!
Start your introduction!
Start Chapter 1!
Start Chapter 2!
Start Chapter 3!
Start Chapter 4!
Start Chapter 5!
Start Chapter 6!
Start Chapter 7!
Start Chapter 8!
Open the chest!
Destroy the crossbow trap!
Kill the boss!
Complete the story.