Rat Maze
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This is the fifth level in Co-op mode of Portal 2 and the fourth chamber in the course. There are no obvious dangers in this chamber, but the player in charge of the buttons can accidentally crush the player in the maze with the blocks.
Summary
The goal in this chamber is to get the Discouragement Redirection Cube from behind the glass and use it to reflect the beam to the receptacle.
Contents
Mechanics
Hazards
- Being crushed
Walkthrough
| # | Atlas | P-body |
|---|---|---|
| 1 | Fire your portal on the top left corner and on a panel near the buttons. Go through the portal and walk to the end of the hallway and stand under the light. | |
| 2 | Stand on the Heavy Duty Super-Colliding Super Button with the arrow pointing towards the glass. | |
| 3 | Walk to the new small area and wait for your partner to walk off from the button. | |
| 4 | Walk away from the button and wait for your partner to go to the end of the first floor. | |
| 5 | Proceed to the end of the floor, jump down and turn around. | |
| 6 | Go stand on the same button. | |
| 7 | Jump down and run to the end of the hallway and stop before the final drop. | |
| 8 | Stand on the other button. | |
| 9 | Get on the yellow block and fire the portal from the top of the maze. | |
| 10 | Get away from the button after your partner has fired the portal on the wall. | |
| 11 | Pick up the Discouragement Redirection Cube and get back on the block. | |
| 12 | Stand on the button again. | |
| 13 | Place portals on the panels next to the beam and on the wall facing the beam receptacle. | Go through the portal and place the Cube under the Thermal Discouragement Beam and aim the beam on the panels next to it. |
| 14 | Proceed to the disassembly area. | |
Video walkthrough
[[Media:|Download demo file]]
Gallery
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Related achievements
 |
Team Building Complete all test chambers in the Team Building co-op course |