Here is the full list of all 42 Viking Heroes 5 achievements.
Used the booster.
Used the booster 100 times
Collected 100 units of food
Collected 1000 units of food
Collected 100 units of wood
Collected 1000 units of wood
Collected 100 units of stone
Collected 1000 units of stone
Collected 100 units of gold
Collected 1000 units of gold
Collected 100 units of gems
Collected 1000 units of gems
Completed a level with 3 stars
Completed 10 levels with 3 stars
Completed 30 levels with 3 stars
Canceled a task
Canceled 30 tasks
Completed a level without boosters
Assigned 5 tasks at the same time
Met an enemy patrol
Met an enemy patrol 15 times
Got access to a tavern
Got access to five taverns
Made 100 transformations at the Stonehenge
Cooked soup 30 times
Dispelled 15 illusions
Grew 100 tree gardens
Crafted the Yule Goat
Decorated the Yule tree
Restored the Altar of Time
Met the Yule Cat
Repaired the Asgard clock
Rescued the dinosaurs
Met Nidhogg
Got the oblivion water
Crossed the Gjallarbru Bridge
Saved the Jotunheim midsummer festival
Restored the Circle of Elements
Collected all gifts for the gods
Defeated Valravn
Found the Rune of Balance
Celebrated Yule