For earning three stars on one level.

For gathering 100 units of food.

For giving the Vikings five tasks at once.

For using a booster.

For gathering 100 units of wood.

For canceling a task.

For gathering 100 units of stone.

For gathering 100 units of gold.

For exchanging gold for mana.

For giving Vikings 300 tasks.

For exchanging gold for mana 10 times.

For using the running booster 10 times.

For destroying an enemy tower.

For encountering a patrolling enemy.

For building 30 buildings.

For upgrading 30 buildings.

For gathering 500 units of food.

For exchanging gold for mana 50 times.

For gathering 1,000 units of food.

For gathering 500 units of wood.

For fixing the Rainbow Bridge.

For gathering 500 units of stone.

For gathering 500 units of gold.

For unlocking a tavern.

For gathering 1,000 units of stone.

For gathering 1,000 units of wood.

For gathering 1,000 units of gold.

For finding Heimdall's sword.

For using a booster 100 times.

For finding the three Places of Power.

For finding Thor's hammer.

For acquiring the Travel Amulet.

For encountering 30 patrolling enemies.

For finding Odin's spear.

For helping the gods in the final battle.

For earning three stars on 10 levels.

For not clicking the mouse for 30 seconds.

For earning one star on one level.

For unlocking five taverns in the main adventure.

For earning three stars while playing Chipmaster.

For earning three stars on 30 levels.

For completing a level without using a booster.

For canceling 30 tasks.

For earning every achievement.