Die with no remaining lives left.


Kill a mini-boss.


Reach level ten.


Defeat The Yaldabaoth. Yaldabaoth can be located in Black Church at the desert level.


Defeat The King Skeleton. King Skeleton can be located in Fortress of Frost at the ice forest level.

Defeat The Eater. The Eater can be located in Ancient Depth at the desert level.


Defeat The Fire Nob Glob. Fire Nob Glob can be located in The Snake Pit at the desert level.

Defeat The Soul Collector. The Soul Collector can be located in Tomb of Souls at the green forest level.

Defeat The Leader of the Thief Kings, The Cursed Wizard. The Cursed Wizard can be located in Grief Dungeon at the green forest level.

Find an epic-quality weapon.
(The red color gears are considered epic quality. It MUST be a weapon to count, not armor.)
(If you failed to get the achievement after picking up red color weapons, drop it and pick up to unlock it.)

Enter into the Dark World. Defeat all bosses in Over World. (Yaldabaoth, King Skeleton, The Eater, Fire Nob Glob, Soul Collector, Cursed Wizard)

Defeat The Leontocephaline. Leontocephaline is the first boss you encounter in Dark World.

Defeat The Demiurge. Demiurge is the second boss after Leonocephaline you encounter in Dark World.

After defeating the last two bosses in Dark World, you will encounter this room right after Demiurge.

Slayed the purple Fiend 100 times.
(This is known to be bugged achievement when playing current version. You can try another way to get this achievement by unlocking beta version. Follow the steps below)

Originally posted by Fiends, Wolves, Rats:

Go to library -> right click bit Dungeon 2 -> properties -> betas -> beta-