Here is the full list of all 31 Bloody Trapland 2: Curiosity achievements.
Stinky unlocked
Unveil last level
Find hidden coin
Found hidden coin
Complete 20 levels without any deaths
Picked up coin
Complete 10 levels without any deaths
Found hidden passage
Activate first artifact
Find temple entrance
Find secret passage
Defeat cave boss
Find hidden entrance
Open passage with button
Reached cave world
Defeat mnt boss
Activate hidden btn
Reached mnt world
Defeat desertboss
Complete 5 levels without any deaths
Collect first crystal
Reached Desert world
First time on a boat
Defeat Skogstrollet
Complete 3 levels without any deaths
Open first secret door
Close encounter
Collect first coin
Complete a level without any deaths