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 50 transformations at the Stonehenge.

Repair 10 viking houses.

Repair 25 viking houses.

Change time of day 10 times.

Change time of day 20 times.

Block 10 dark crevices.

Block 20 dark crevices.

Move 10 flying islands.

Defeat Hati in Helheim.

Defeat Sköll in the Surtr's Palace.

Pass Hrungnir's test.

Assemble the Gleipnir Chain.

Defeat Fenrir at the top of Yggdrasil.

Find out where Gullveig is.

Find new lands for the wolves.