Retro DOOM-Inspired Game Crammed into a QR Code for Offline Play

Apr 25, 2025
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Summary

Pushing the boundaries of QR code storage, The Backdooms is a retro DOOM-inspired game ingeniously compressed and encoded to fit entirely within a scannable QR code, enabling offline play of a self-contained web application without any additional downloads.

Key Points

  • The Backdooms is a self-contained, compressed HTML game inspired by DOOM 1993 and The Backrooms that can be played by scanning a QR code
  • It utilizes Zlib compression, base64 encoding, and the DecompressionStream API to fit the entire game within a QR code for offline play
  • The project demonstrates an innovative method of hosting lightweight web applications entirely within a QR code, pushing the limits of QR code storage and compression

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