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Chamber of Darkness achievements, rarest first.
Every achievement in Chamber of Darkness, ranked by how many Steam players have unlocked it. Global completion rates from Steam, refreshed daily.
The rarest achievement
Finish the mob challenges
13%
of players
- Achievements
- 10
- Rarest
- 13%
- Ultra rare (under 5%)
- 0
- Average completion
- 13%
1
Finish the mob challenges
Unstoppable!
13%
2
Finish the game in easy or normal difficulty
Curse broken!
13%
3
Finish the game in hard difficulty
Tough journey
13%
4
Finished the first level
It just only started!
13%
5
Killed your first deathworm
More like DEADworm! No? ok..
13%
6
Finished the trap challenges
A trap every corner
13%
7
Finish the "Jump" challenges
Jump to victory!
13%
8
Finish the deathworm challenges
Made them face death itself
13%
9
Found obvious hidden thingHidden
Hidden achievement. Description revealed on unlock.
13%
10
Finish the "fall" challenges
How did he not die from that?
13%
Percentages are Steam's global unlock rates across all players who own Chamber of Darkness, refreshed daily. Under 5% is marked in the lit blue.