Kill 100 creeps
Kill 1 000 creeps
Kill 10 000 creeps
Deal 100 000 damage
Deal 500 000 damage
Deal 1 000 000 damage
Purge the Darkness from 1st world
Purge the Darkness from 2nd world
Purge the Darkness from 3rd world
Kill Arota 5 times
Kill Florak 5 times
Kill Dark 5 times
Get defeated 5 times
Get defeated 10 times
Get defeated 50 times
Place 50 towers
Place 150 towers
Place 500 towers
Place 1000 towers
Upgrade your health to 200
Maximally upgrade any unique tower modifier
Maximally upgrade any unique damage modifier
Collect 500 crystal essence in a single expedition
Spend 500 crystal essence
Spend 1 000 crystal essence
Spend 10 000 crystal essence
Spend 50 000 crystal essence
Spend 50 scraps of matter
Spend 100 scraps of matter
Spend 500 scraps of matter
Obtain the Predictor-9999
Charge the Predictor-9999
Gain access to legendary rewards
Gain access to unique rewards
Complete 1st step of any research
Finish any research
Finish 5 researches
Unlock time speed-up
Unlock tower placement building
Build 50 tower emplacements
Build 100 tower emplacements
Build 500 tower emplacements
Return every pet to the owner
Find all hats
Apply all damage modifiers in a single expedition
Finish your first expedition
Finish 5 expeditions
Finish 10 expeditions
Fight your way through the Darkness
Change level reward 50 times
Defeat any boss and stay with 1 HP
Lose 5 times in a row
Complete 3 expeditions in a row
Finish all researches
Complete any Challenge
Complete expedition with at least 3 Challenges
Complete expedition with at least 5 Challenges
Complete expedition with at least Darkness level 5
Complete expedition with at least Darkness level 10
Complete expedition with at least Darkness level 13
Package received
Complete "I Wanna Be the Crystal" Challenge