Here is the full list of all 54 Storm Tale 2 achievements.
Use the Sword power-up 20 times
Use Magic Staff power-up 20 times
Play 25 levels in a row
Play 14 levels in a row
Use the Sword power-up 10 times
Use Magic Staff power-up 12 times
Destroy 190 metal tiles
Use the Sword power-up 5 times
Complete 90 new levels
Break 180 ice cubes
Collect 49 keys
Destroy 130 metal tiles
Break 82 lava stone
Buy 14 buildings
Collect 80 chests
Break 108 ice cubes
Explode 32 TNT barrels
Break 64 lava stone
Collect 1940 golden tiles
Destroy 50 metal tiles
For being the Top Score in 60 levels
Destroy 260 earth obstacles
Complete 45 new levels
Explode 18 TNT barrels
Break 25 lava stone
Break 40 ice cubes
Collect 20 keys
Collect 850 gold nuggets
Collect 1000 golden tiles
Destroy 190 earth obstacles
Use Magic Staff power-up 5 times
Play 5 levels in a row
For being the Top Score in 32 levels
Buy 7 buildings
Collect 20 chests
Collect 510 gold nuggets
Make a chain of 7 bonus power-ups
Complete 20 new levels
Collect 350 golden tiles
Collect 9 keys
For being the Top Score in 15 levels
Play 6 days in a row
Make a chain of 5 bonus power-ups
Collect 120 gold nuggets
Play 4 days in a row
Explode 6 TNT barrels
Collect 4 chests
Destroy 60 earth obstacles
Make a combo of 34
Make a combo of 26
Make a combo of 18
Make a chain of 3 bonus power-ups
Play 2 days in a row
Buy 1 building