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As you reach Chapter Four of Planet of Lana, titled Secrets in the Dark, you'll come across your first puzzle that requires a little more thought than the usual run-of-the-mill obstacles you've been encountering thus far.
After navigating past a spider creature and discovering hints towards the past, you'll find yourself in a room with a strange contraption that you must solve to progress. If you're getting stuck on this puzzle and you're wondering how to proceed, we cover everything you need to know right here.
The Organ Pipe Bell Puzzle
When you reach this puzzle, the camera pans out so you can see the strange contraption in front of you. It has pipes and a bell, so it appears to be some kind of musical organ. There are four sliding mechanisms that you can interact with, and each has a number of dots below it. Depending on how you position each mechanism changes the dots displayed.
The idea here is to position all four sliding mechanisms in the correct order so that when you jump on the rope to the right of the screen, it will play the correct tune and open up the door on the right so you can progress.
How To Find The First Clue
There are two clues that will help you with this puzzle. The first can be found by climbing the ledge above where you entered on the left of the screen, and continuing along until the rocks light up. Command Mui to wait on the rocks so they stay lit, then return to the right to see the first clue lit up above you.
This clue shows that the mechanism with the large handle — essentially the one with a hollowed-out rectangle above it — should be positioned so that the first part of the slider comes first, then two dots, then the next part of the slider, followed by two more dots.
This is the slider positioned in the bottom left of the device, so make sure you drag it as far left as it can go to copy the instruction.
How To Find The Second Clue
Jump down beneath this first sliding mechanism and continue right to where the wood is. Drag the wood to the left to reveal the next clue. This shows the slider with the small solid handle should be positioned to show a dot, the first part of the slider, another dot, the next part of the slider, and a final dot.
This is the sliding mechanism on the top left of the device, so head up there and drag it to the right once to replicate this.
How To Position The Last Two Sliding Mechanisms
That leaves us with two remaining sliders to sort. You'll notice that the first mechanism has no dots before the first slider part, while the next has one dot before the first slider part.
Following the idea this is a pattern, we should progress to two dots before the first part, then three.
For the bottom left slider, drag it to the right until it has two dots before the first slider part, one dot, then the second slider part.
Climb up to the mechanism above and drag the final slider to the right so there are three dots, the first slider part, then two dots, then the second slider part.
Once these are in place, jump on the rope to the right, and you'll hear the organ bell contraption chime the correct series of notes that you should be more than familiar with by now. You'll know it's correct because it'll be echoed by the door before it opens, allowing you to progress further.
