Build an apothecary
Open 25 treasure chests
Tame a bear
Lose a game without rage quitting
Set a trap with a ranger
Place a woodcutter close to 3 or more trees
Unlock the Happy Workers upgrade on a farm
Build a stonemason next to a quarry
Attack an enemy unit with a sheep
Play a witch card
Use the Stealth ability
End a combat turn in less than 15 seconds
Destroy all enemy farms
Destroy the enemy castle
Fully upgrade your own castle
Play 100 turns
Collect 500 gold
Play 50 cards
Win 5 multiplayer games
Win a single player game without losing any units
Win a game in less than 25 turns
Step on your own trap
Resurrect a dead unit
Summon 5 skeletons
Bribe an enemy mine
Kill a polar bear with a polar bear