Complete the indicated task to unlock the achievement.

Achievement	How to unlock
1 HP is more than enough	Complete F-rank Bone glass challenge in survivors mode.
Closed	Complete Shop-keeper's vacation Challenge.
Dark gods' Third Book	Save a D-rank world.
Don't bring a gun to a sword fight	Unlock the gunslinger.
End to the Second Danger	Save an E-rank world.
Enough to Rift dimensions	Beat thirty minutes in E-rank survivors mode.
Even epic cards are forbidden?!	Complete E-rank Plebian Challenge.
First Step as a hero	Save an F-rank world.
Gimme the tainted cards!	Complete D-rank Tainted soul Challenge.
Give me more evolutions!	Complete D-rank Plebian Challenge.
He will come back?	Complete Extended Vacation Challenge.
Heroes don't need heroic cards	Complete Peasant Challenge.
High risks, high rewards	Obtain the Broken Statuette.
Hitting your limits	Complete Soul-Limited Challenge.
I may have picked too many artifacts	Complete Cursed Challenge.
I've been to hell and back, and back to hell... and back	Complete Descent into hell Challenge.
It's starting to get a bit hard	Complete E-rank Soul-Less Challenge.
Just a cold!	Complete Sick Challenge.
No Light In Sight	Beat 45 minutes in D-rank survivors mode.
Not a bug, just a feature	Unknown.
Now that's a challenge!	Complete Snuffhead's favourite Challenge.
Out of control	Complete E-rank Chaotic playground challenge in survivors mode.
Pesky Attack speed cap	Unlock the Rogue.
Rogue: Survivors	Beat thirty minutes in F-rank survivors mode.
Rusted	Complete Broken Weapon Challenge.
Shackle	Complete All of Sifd's suggestions Challenge.
Should I wield a third weapon with my teeth?	Complete Dual Wielding Challenge.
Tainted cards are becoming good?!	Complete E-rank Tainted soul Challenge.
The Perfect Tower	Complete Crippled Challenge.
Unending Cycle	Complete D-rank Hourglass challenge in survivors mode.
Unlocking Tainted Cards potential	Complete F-rank Tainted soul Challenge.
Wander's Trick	Unlimited money!
What am I gonna do with my gold?	Complete Shop-keeper will never come back? Challenge.
Who needs meta-progression?	Complete F-rank Soul-Less Challenge.
Worth an investment	Unlock the Shop-Keeper.