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