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Retro Sophisticated Backpacks

A backported and recreated version of Sophisticated Backpacks
by CleanroomMC
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155,181 downloads
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Updated Jul 6, 2026
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Disclaimer

This mod IS NOT OFFICIAL WORK of original author P3pp3rF1y, please do not report any issue to original author.

This mod is still under early development, do not use it on production purpose or without backup your save.

Recent Update from Author

I am finally free and have time to keep maintain this mod, but please still do expect some bugs, if you have encountered some bugs or have some suggestions, please head to Cleanroom discord #retro-sophisticated-backpacks or file an issue on GitHub.

Sophisticated Backpacks has been rescued back to 1.12.2!

Currently Retro Sophisticated Backpacks aims to add as much features as possible, alongs with some adjustment to best fit 1.12.2's gameplay.

 

Features

  • Placeable backpacks with various tiers, ranging from leather to obsidian
  • Multiple upgrades to customize your portable storage strategy
  • Highly customizable configuration to customize your backpacks and upgrades' settings

**Regarding towards RLCraft compatibility

There's a lot of people encountering crash when adding Retro Sophisticated Backpacks to RLCraft, the error varies from the reports, but the following workaround may fit for general purpose. Please ensure that your RLCraft is latest and didn't get other modification.

Disclaimer: This workaround may not work for fork of RLCraft.

  1. IF YOU ALREADY HAVE AN INSTANCE BEFORE, PLEASE ENSURE THAT YOU HAVE ALREADY BACKUP YOUR WHOLE INSTANCE.
  2. Remove the following mods from the mod folder
    • Shadowfacts' Forgelin
    • LibrarianLib
    • Phosphor
  3. Install the following mods (it's recommended to install with any launcher such as Prism Launcher to ensure you have installed latest versions of each mod)
    • Mixin Booter
    • Modular UI
    • Forgelin Continuous
    • Retro Sophisticated Backpacks
    • LibrarianLib Conitnuous
  4. After the previous steps, your RLCraft should be able to launch.
Retro-Sophisticated-Backpacks-1.1.4.jar
MC Client, Forge, Server, 1.12.2
Release 2026-06-24 Get
RetroSophisticatedBackpack-0.3.0.jar
MC 1.12.1, 1.12, Client, Forge, Server, 1.12.2
Beta 2025-02-25 Get

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