Guide to getting all achievements. The guide skips all the intermediate achievements that you will receive automatically after completing the storyline. There are 8 chapters in the game and you will get an achievement for completing each one.
There are no missable achievements in the game. You can return to any episode at any time. The guide describes the checkpoints where you should start the chapter.
From the main menu you can always select a specific chapter and episode. Episode selection is only available after completing a chapter.
Chapter 2
Deplete the conveyors’ supply of Weighted Storage Cubes
Chapter 2. “Conveyors and Ventilators” episode.
Throw 16 cubes off the conveyor belt.
Blow up a test chamber sign
Chapter 2. “Bombs?” episode.
Place the portal so that the bomb explodes the sign.
Chapter 4
Get the ball in 4-10 to land perfectly in the socket
Chapter 4. “Excursion Funnel Flings” episode.
First, cover the surface near the cliff with gel. Then transport the ball. Leave the button when the ball is at the very top, with maximum speed the ball will go straight into the socket.
Fling in an endless loop in Chamber 4-11
Chapter 4. “Cleansing Field Loop” episode.
Fly through these 2 portals several times for the achievement to count.
Deplete the gel supply in Chamber 4-11
Chapter 4. “Cleansing Field Loop” episode.
Destroy and then summon more than 10 cubes. On the 10th time a cube without gel will fall out.
Chapter 6
Solve the Chamber 6-2 twice
Chapter 6. “Vacuum Tubes Reinforcement” episode.
After completing the room for the first time, you will need to get to the iron staircase using the portal. Go upstairs and place the lower portal in the chamber room, jump into it and complete the chamber again.
Stare at Conly’s mannequins for a really long time
Chapter 6. “Spire Climb” episode.
Just after completing chamber 3, after lights out. As you follow the storyline, don’t miss it. Stay 1-2 minutes near mannequins.
Solve Chamber 6-6 the fun way
Chapter 6. “Vacuum Tube Gel Bending” episode.
Solve Chamber 6-6 the boring way
Chapter 6. “Vacuum Tube Gel Bending” episode.