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