Here is the full list of all 100 DARKLIGHT achievements.
Play Darklight for the first time.
Explore the Machine Room.
Explore the Workshop.
Explore the Kitchen.
Explore the Living Quarters.
Explore the Observation Deck.
Explore the Storage Room.
Explore the Gallery.
Witnessed lightening.
View the boat in the south window.
View the boat in west window.
View the boat in north window.
View the boat in east window.
Arrive in the 1st cave.
Arrive in the 2nd cave.
Arrive in the 3rd cave.
Arrive in the 4th cave.
Make it to the Boat Dock.
Complete the game with the Dark Ending.
Complete the game with the Light Ending.
Collect the knife.
Pick up 25 chairs.
Collect an actual monkey wench.
Collect 25 pages.
Collect the hand saw.
Big plans for this piece of pipe.
Collect rope and hook.
Collect 25 discs.
Collect the wire brush
Collect the bucket.
Collect the soap.
Collect the bloody lantern bulb.
Collect the clean lantern bulb.
Collect a can of fuel.
Collect the key in the Observation Deck.
Collect a mysterious disc.
Clean the spark plug.
Repair the stairs in the workshop.
Open the tin of mackrel.
Loosen the weathered hinges.
Feed Jonathan 5 times.
Replace fuel cap.
Look out of 25 windows.
Found some water.
Don't use the lantern and get the Light Ending.
clean something in your inventory.
Solve the disc puzzle.
Turn on the generator.
Check the door is definitely locked.
No lantern and no light and get the Dark Ending.
Checked the fuel gauge.
Tidy the lighthouse in a single playthrought.
Navigate through the Caves without making a wrong turn.
Drop from Gallery to Cave.
Run from the Machine Room to the Gallery and back.
Signal the ship with the lantern
Look out of every window on a single playthrough
Meet Jonathan
Tap the Taps
Look at the stars.
Drop through hatch from Workshop to Machine Room
Drop through hatch from Kitchen to Machine Room
Drop through hatch from Living Quarters to Machine Room
Drop through hatch from Observation Deck to Machine Room
Solve keypad before the disc puzzle.
Open strong box with flag code.
Up the stairs and down the hatch.
Up the hatches and down the stairs.
Clean all blood.
Turn on the lights.
Try to hurt Jonathan
Check the fuel cans.
Solve keypad after the disc puzzle.
Try to start the generator with the rusty spark plug.
Replace the now cleaned spark plug.
Find the 1st page of the diary.
Find the 2nd page of the diary.
Find the 3rd page of the diary.
Find the 4th page of the diary.
Find 5 pages of the diary.
Find 6 pages of the diary.
Find 7 pages of the diary.
Find 8 pages of the diary.
Find 9 pages of the diary.
Find 10 pages of the diary.
Find all pages of the diary.
Complete Darklight in under a minute.
Enter the Lighthouse
Clean the lantern bulb in the Workshop.
Clean the lantern bulb in the gallery.
Complete a speedrun of the game.
Open strong box without knowing the code.
Turn the volume up.
100% completed.