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Doom in a QR code [1]

['Rob Beschizza']

Date: 2025-04-18  

Backdooms is a Doom-like game that fits inside a QR code. That's to say, the code of the game is so concise that it can be represented by a legit QR code, which offers a maximum of 3 kilobytes of data. The genius behind this is Kuber Mehta.

The Backdooms is a compressed, self-extracting and infinitely generating HTML game inspired by DOOM 1993 and The Backrooms that can be launched and played in a web browser directly from a QR code. This project was a week-long study I performed (now slightly longer) designed to push the limits of QR code storage and compression, to demonstrate an innovative method of hosting lightweight web applications entirely within a QR code.

Mehta blogged about the development process: "To get games to fit in these absurdly small file sizes, you need to use what is called minification or in this case – EXTREMELY aggressive minification"

You can play it online here if you just want to get stuck in.

Previously:

• I put some Doom in your Doom so you can Doom while you Doom

• Margaret Thatcher-themed DOOM mod removed

• How to power your calculator with potatoes so you can play DOOM

• Turns out the Amiga was powerful enough to run DOOM after all!

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[1] Url: https://boingboing.net/2025/04/18/doom-in-a-qr-code.html

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