Portal Reloaded Logo: A Step-by-Step Guide to Completing Test Chamber 15

In Portal Reloaded, navigating Test Chamber 15 can be a challenging task. To ensure success, follow these steps carefully and refer to the video guide for further assistance.

First, place an orange portal on the far wall of the room, allowing the laser to pass through and activate Receiver Three. Then, use a portal to return to the present without entering the particle field – this is crucial.

Next, climb the stairs and place the cube on the activator switch. Position the cube in such a way that the laser passes through both receivers on the right side of Chamber 15. Once you've accomplished this, create a time portal to bring the future cube into the present.

To access the future, use a time portal and retrieve the future cube. Immediately return to the laser room using another time portal. Grab the reflector cube and place it on the lip of the second receiver. This will lift the platform, allowing you to spawn a new cube.

Stand on the platform and create a time portal behind the bottom receiver (not the top one). Travel back to the present, and observe how the two receivers power a nearby platform near the cube spawn button.

Next, use a time portal to return to the future and place it inside the laser room, where you previously created a time portal. This will enable you to complete the test chamber.

To achieve this, follow these additional steps:

1. Place an orange portal above the laser room, ensuring it hits the first receiver on the left.

2. Create a portal outside of the particle field room and enter it without touching the field. This avoids entering the particle field on the other side, allowing you to exit easily.

By following these instructions, you'll be able to complete Test Chamber 15 in Portal Reloaded. If you encounter any issues, refer back to the video guide for further guidance.

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Portal reloaded logo