Alyx: The Prequel

Puzzle 1

You are given the image of an Oscilloscope named "Waves.png"

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Reading the metadata you can find the hint "this picture Sounds weird"
Further analyzing the image you can find extra data at the end of the file

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It can be extracted manually or with Binwalk, Foremost, etc.
The extra data is a Wav file.

If you run the audio through an Oscilloscope it will create a few drawings.
You can use this website https://dood.al/oscilloscope/

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Windows
House
Eye
Rabbit
Earth

Taking the first letter of each word you get "where"

Puzzle 2

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You simply have to scan the barcode

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It gives "began1337"

Puzzle 3

You get a weird image named "Rainbow Worm.png"

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The metadata reveals the name "Morgan Mar".
A quick wikipedia search shows its the creator of some isoteric programming languages, including Piet.

Run the image through a Piet interpeter.
You can use this https://www.bertnase.de/npiet/npiet-execute.php

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The output gives some Brainfuck Code.

Run it on https://www.dcode.fr/brainfuck-language

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The Final solution is: alyx{where_everything_began1337}