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