Collect healing potions while having full health.

Kill an enemy with Spikes.

Collect a bunch of swords without hurting an enemy.

Gain a total of 10 armor.

Attack an enemy without dealing damage.

Killed by fire.

Collect twenty tiles at once (without using a skill).

Flee when no enemy is near.

Destroy an active shieldwall.

Get hit by an enemy without getting any damage.

Get down to 1 HP and survive the next round.

Bring a Black Knight down to 1 HP without killing him.

Deal at least 100 points of damage with one attack.

Kill an Earth Elemental with a bomb.

Collect a diamond for the first time.

Use two chain tiles at the same time.

Destroy a diamond with a bomb.

Destroy a chest.

Collect your first treasure chest.

Unlock five enemies.

Unlock your first enemy type.

Unlock all enemies!

Unlock twenty enemies.

Have an enemy survive 40 turns.

Kill a Mimic.

Break at least 3 frozen tiles in one swipe.

Reroll the offered powerups for the first time.

Throw three axes at once.

Finish the Tutorial.

Get hit by five or more arrows at once.

Unlock the adventurer class.

Unlock the mage class.

Unlock the warrior class.

Kill nine enemies with a single bomb.

Reach Wave 100.

Remove all tiles at once.

Reach the first boss without killing an enemy. Why though?

Survive a Wave without receiving any damage.

Retire from a patrol.

Unlock the Thief class.

Improve your cave.

Lose at least ten tentacles by dying.

Finish your first patrol.

Befriend a dog.

Get a full set of rat armor and weapons.