This puzzle will need to be solved later in the game.
The room has five sides. You've probably guessed by now that you can rotate the room to line up the doors with various corridors.
Check the entrance carefully for alternate areas to open it.
You can see steam escaping from the pipe. Notice what happens when you throw the lever. Try to figure out where the pipe goes.
The way to open it may be done remotely. Perhaps from another room that you'll have to find.
Notice that there are five pipes leading to the center. The number five keeps showing up in Riven, doesn't it?
This device can be used to stop the dome from spinning. Can you figure out how? The large dome may have the answer.
They hint at something you should see.
Once you pick up the device and are looking through it, look around in the area to find what it shows you. Notice the handle looks similar to the totems you've been seeing. Maybe it's related to them?
In the school, there is a game which lowers two small figures towards a hungry wahrk. Examine this game carefully and you'll be able to learn the D'ni numbering system. You'll need to understand these numbers in order to solve a later puzzle.
Obviously he must have escaped through a secret exit. Where is it?
You'll need to turn on the light bulbs that are located throughout the tunnel. But you'll have to first look for a path to follow.
There is a secret way out of this room, but you'll need to click five stones in a certain sequence to find it. The symbols on them may look familiar. How many have you seen before? And where have you seen them? The totems will help you with the proper sequence.
The boiler is powered by a steam pipe coming from the lake. The boiler's controls include a wheel which drains or fills the tank, a switch which turns the furnace on and off, and a switch which raises or lowers a grate inside the boiler. Take your time and experiment with all of the controls.
Remember to close doors behind you.
Look at the right side of the lab building and you'll see a large pipe. Notice that a wire runs along the side of the walkway.
The plateaus represent Riven's islands, but can you figure out which one is which? The device provides crucial information for solving the Marble Puzzle in the Golden Dome. What are you trying to locate on these maps? What do the marbles in the Marble Puzzle represent?
The patterns on the wheel and the colors of the corresponding lights can help you to solve the Marble Puzzle.
This puzzle will need to be solved later in the game.
The room has five sides. You've probably guessed by now that you can rotate the room to line up the doors with various hidden corridors. You won't be able to solve this puzzle until you've found the second outside entrance to the rotating room.
Check the entrance carefully from top to bottom.
Does the diagram on the pipe remind you of something you've already seen? You can see steam escaping from the pipes. Notice what happens when you throw the lever. Try to figure out where the pipes go.
When you enter you'll see a lever on your left. Try it and nothing happens. That might mean that you need to turn on the power somewhere else before the lever will work. Notice that there are five pipes leading to the center. The number five keeps showing up in Riven, doesn't it?
Does the large glowing object remind you of something you saw in the previous room?
You must place five colored marbles on the grid to represent the locations of the five Fire Marble Domes on Riven's islands. The Map Room on Survey Island helps determine the exact grid location of each dome, and the Survey Room on Survey Island helps determine the appropriate colors to use.
There's a switch in this area which will allow you to open the idol's mouth.
This device can be used to stop the dome from spinning. Can you figure out how?
Leave the floor in the closed position.
It's a submarine which can take you to several destinations on the lake. Beside each one is a strange, funnel-shaped hole in the water that permits you to open the sub's hatch. However, you can't step onto the piers unless ladders have been extended from them. Some piers already have ladders extended; others don't.
Flip the switches so that all of them are in the up position. This will extend all of the ladders, allowing you to enter or exit the sub at each of the destinations.
In the school, there is a game which lowers two small figures towards a hungry wahrk. Examine this game carefully and you'll be able to learn the D'ni numbering system. You'll need to understand these numbers in order to solve a later puzzle.
Obviously he must have escaped through a secret exit. Where is it?
You'll need to turn on the light bulbs that are located throughout the tunnel.
There is a secret way out of this room, but you'll need to click five stones in a certain sequence to find it. The wooden eyes you've seen previously provide crucial information for solving this puzzle. Each eye is associated with an animal and each eye has a D'ni number written on it. This information will give you the proper sequence.
The boiler is powered by a steam pipe coming from the lake. The boiler's controls include a wheel which drains or fills the tank, a switch which turns the furnace on and off, and a switch which raises or lowers a grate inside the boiler. Take your time and experiment with all of the controls.
Remember to close doors behind you.
Look at the right side of the lab building and you'll see a large pipe. Notice that a wire runs along the side of the walkway.
The plateaus represent Riven's islands, but can you figure out which one is which? The device provides crucial information for solving the Marble Puzzle in the Golden Dome. What are you trying to locate on these maps? What do the marbles in the Marble Puzzle represent?
The patterns on the wheel and the colors of the corresponding lights can help you to solve the Marble Puzzle.