Odyssey – The Invention of Science: Walkthrough & Achievements Guide

As you start the game a cutscene will play, after that you will find yourself on a pier.
Continue all the way up until you reach the door and you will find a diary. read through it and close it.
Now interact with the locked door and solve the puzzle.

Pull the handle to open the door.
Continue all the way up the slope and you will reach a house. open the door and take the pickaxe sitting on top of the crate, and open your inventory and destroy the crate.
Pick up the puzzle piece and go outside.
Head to the left and you will see a wooden barricade blocking the door.
Use the pickaxe to destroy it and go through

Head left and use the pickaxe on a wooden crate to find another puzzle piece.
Continue all the way forward past the broken bridge and use the pickaxe again on a wooden crate for the next puzzle piece.
Head all the way back from where you came from, and this time head up the stairs.
Interact with the machine and take the journal entries.
Now place the 3 puzzle pieces inside.

Head further up the stairs and interact with the little box.
Pick up the toy from inside.
Now go behind the globe and insert the toy in the slot as shown in the screenshot:

Go in front of the globe, open it and take the journal entries and key from inside.

Head downstairs and back to the place where you destroyed the crate to find the third puzzle piece.
Turn right and go up the stairs, climb the ladder and you should see a yellow generator.
Insert the key we found earlier inside.
Interact with the gate and solve the puzzle matching the symbols as shown in the screenshot below:
Click the circle in the middle to open the gate.

Geocentric Universe
Unlocking the Aristotle Door

Take the journal pages and head up the ladder.
Interact with the machine with the lamp, and turn the crank to the RIGHT 6 times and click on open.

Go left and open the box, take the documents from inside and go up the ladder.
Interact with the device in the middle of the room, and turn the moon switch up.

Back out and interact with the machine on the right.
Match the the symbols as in the screenshot below and a ladder should drop down (Sorry for it being a little obscured)

Take the documents and climb up the ladder.
Interact with the machine in the middle, and rotate it to the left 3 times.
Should look like in the screenshot below:

Back out and go straight, now turn left and interact with the machine with the lightbulb.
Turn the switch up and rotate both switches so that planets would look like in a screenshot below. Click open and take the key.

Back out and go the left.
Use the key we picked up on the zipline lock and wait.

Spherical Earth
Unlocking the Zipline

Use the lift when it arrives, and climb down the ladder.
Enter the house in front of the ladder.
Interact with the box and pick up the documents.
Interact with the machine to the left of the box, turn the yellow switch up and turn the left switch as shown in the screenshot below:

Back out and interact with the machine next to it.
Turn the yellow switch to the left, and rotate the crank until the earth is on the right side as on the screenshot below:

Now open the box to the left of the machine and take the documents inside.

Interact with the next machine and click on the tiles in the following order:

Back out and go outside. Head up the stairs and enter the house next to the ladder.
Open the box next to the door and take the journal entries inside.

Move to the next puzzle

The following puzzle can be a bit tricky to work. Interact with both dials and turn on the switch. Try to make a pattern like pictured below:

Now turn it on and off until the light on the right turns green. If it doesn’t try to match the pattern more.

Interact with the next machine and put the red dial all the way to the right and turn the yellow switch.
When the planets are in the position shown in the screenshot below, turn off the switch.

Exit the house and go down the stairs towards the bridge, head all the way downstairs until you reach a green generator. Turn it on and wait for the water to drain.
Head down, interact with the door and go through.

Copernican Universe
Unlocking the Cavern Door

Take the documents in front of you and interact with the machine.
Interact with the knobs in the following order: third, second, first, second, third, forth, third. and pull the lever.

Go over the wooden bridge that lowered and all the way up until you reach a machine and interact with it.
Turn the crank to the right, and when the light turns yellow pull the switch.

Now keep using the crank until the planet is behind the lightbulb and back out.

Go up the stairs and interact with the yellow switch which should drop a ladder.
Climb up, and when you are outside climb up the tower again until you see a crate.
Destroy it with your pickaxe and pick up a crank from inside.

Climb back inside the cave and backtrack all the way outside until you reach the bridge again.
Insert the crank in the notch on the bridge and use it.

Galilean Universe
Rotating the Bridge from Island 2 to Island 1

Go to the other side of the bridge turn left and keep going all the way up the stairs until you reach the zipline again.
Use the crank on the notch.

Head inside the room with the sun, and turn the crank so that the planet will in front of the big one.

Back out and go straight, now turn to the right and use the zipline.
Head all the way down the path and use the box near the watch tower to get the journal entries inside, and climb the tower.
Interact with the board and solve the puzzle.
Rotate the knobs in the following order: Third, Second, Third, Forth.
Also match the numbers to the screenshot.

Exit the watchtower and keep going down keep following the cable until you reach the next watchtower and climb it.
Interact with the board and solve the puzzle.
Turn the knobs on the left in the following order: 4,3,2,1,3
And the right knobs in the following order: 4,3,2,1,3,2
Final solution should look like this:

Back out and climb down.
Now go left and keep following the yellow cable until you reach a box. take the journal entries from inside and continue following the cable until you reach another watchtower.
Climb up and solve another puzzle.
Match the symbols as shown in the picture below:

Climb down and keep following the orange cable until you reach a hut, enter it and interact with the box to find more journal entries inside.

Head outside and now start following the blue cable until you reach a watch tower.
Climb it and solve a puzzle.
Interact with the tiles in the order shown in the screenshot below:

Climb down and now start following the pink cable on the left, go down and you should reach a hut with a box inside, interact with it and take the journal entries inside.
Head outside and go to the right, keep going until you see the red and green cables.
keep following them and climb up the tower.
Solve the puzzle and climb down.

Turn right and keep going until you see a yellow cable.
Now turn left and keep following it until you see light blue and green cables.
Go to the bridge, enter the small building and take the journal entries from inside the box.
Head back outside and use the crank on the bridge. Don’t cross the bridge yet.

Go back to the cables and keep following the light blue cable to the right, it should lead you into the cave; follow it all the way until you reach the next puzzle, enter BIRD to solve it.

Now interact with the door, and solve another puzzle:
Match the symbols as shown in the screenshot and below click the red button and open the door, take the documents inside and the key under.

Simple Pendulum Physics
Unlocking the Safe

Go back and follow the light blue cable all the way until you reach the bridge again, and cross it.
Use the key that we found earlier on the generator near the well.
Now head inside the well once it opens.
Get near the door, enter the code 41 and pull the lever.

Caves
Opening the Caves Scene

Go up and turn right at the first entrance, keep going until you reach a corridor with big stones attached to ropes.
Get near the wall of the third big stone, and use your pickaxe on it.

Head all the way down until you reach a wooden platform.
Climb on it and interact with the rock multiple times to make it swing.
It should cause the big rock in front to start swinging which in turn would push the crate on a pillar and make it fall,
Get near the crate that fell, and pick up the key from inside.

Now head back and turn right when you see two pillars.

Go across the bridge with lava below, and use your crank on the notch where the journal entries were.

Now go left and interact with the cart.
Insert the M key inside, and turn on the lever to start it.

Train
Unlocking the Wagon

Congrats, you finished the game!