Full list of all 45 Camera Obscura achievements.
The base game contains 44 achievements, and there is 1 DLC pack containing 1 achievements.
Killed one of the tower's denizens.
Create a custom level in the level editor.
Launched the game.
Completed the Lower Quarter.
Completed the Common Quarter.
Completed the Royal Quarter.
Completed the Summit.
Earned the Bronze flash medal or better on every level.
Earned the Silver flash medal or better on every level.
Earned the Gold flash medal on every level.
Earned the Bronze time medal or better on every level.
Earned the Silver time medal or better on every level.
Earned the Gold time medal on every level.
Earned all Bronze medals or better on each Lower Quarter level.
Earned all Silver medals or better on each Lower Quarter level.
Earned all Gold medals on each Lower Quarter level.
Earned all Bronze medals or better on each Common Quarter level.
Earned all Silver medals or better on each Common Quarter level.
Earned all Gold medals or better on each Common Quarter level.
Earned all Bronze medals or better on each Royal Quarter level.
Earned all Silver medals or better on each Royal Quarter level.
Earned all Gold medals on each Royal Quarter level.
Earned all Bronze medals or better on each Summit level.
Earned all Silver medals or better on each Summit level.
Earned all Gold medals on each Summit level.
Took 1000 photos.
Took 2500 photos.
Took 5000 photos.
Found 25% of the mementos.
Found 50% of the mementos.
Found 75% of the mementos.
Found every memento.
Finished the game and saw Ending A.
Finished the game and saw Ending B.
Finished the game and saw Ending D.
Killed two creatures at once.
Killed 100 creatures.
Fell all the way down a level multiple times.
Hesitated before the Tower.
Tried to jump on a creature.
Died by being crushed against a flash.
Fell onto a creature from great height.
Ascend the Dilapidated Steps without crushing any slimes.
Complete 5 custom level packs from the Steam Workshop.
Finished the game and saw Ending C.