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Lost Cities Modern Tweaks (Lights Off Edition)

Lost Cities Modern Tweaks (Lights Off Edition)

MOD
A variant of the "Lost Cities Modern Tweaks" datapack packaged as a mod, which shares the same content but removes most light sources, providing a more challenging experience.
by morriswmz
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Updated Oct 14, 2026
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This datapack (packaged as a mod) is a variant of the Lost Cities Modern Tweaks datapack. It shares the same content except that most light sources are removed. It provides a more challenging experience and better fits into some post apocalyptic settings.

⚠ You need to have The Lost Cities installed to use this datapack ⚠

The lighting option provided by The Lost Cities currently on works for torches, not other light sources. Therefore, I need to make this separate datapack.

Detailed changes:

  • Street lamps are completely removed.
  • Lanterns in building parts are removed.
  • Lights in railway systems are replaced with other blocks that do not emit light.

⚠ See Lost Cities Modern Tweaks for additional details. ⚠

⚠ DO NOT install this mod and the original Lost Cities Modern Tweaks at the same time. ⚠

Permissions

Feel free to use this datapack in any modpacks. The MIT license also gives you a lot of freedom to do additional tweaks yourselves (as the source code are just json files included in the pack).

Compatibility

This datapack has been tested with various vanilla Lost Cities profiles. However, it is impossible to test every heavily modded environment that heavily modifies worldgen. So if the datapack works flawlessly, that's great and enjoy it! If not, you may have to remove it, or manually resolve the issue if you are experienced. Do not report issues caused by this datapack to the Lost Cities mod!

Compatibility with Other Lost Cities Datapacks

Before 1.0.10 for Minecraft 1.20.1 and 2.0.7 for Minecraft 1.12.1, the answer is highly unlikely for the following reasons:

  • This datapack modifies lots of parts from the base mod (e.g., it touches all parts with torches).
  • Currently the Lost Cities mod does not support merging city styles or building definitions (e.g., allowing multitple datapacks to add/alter different buildings to the same city style). Therefore one pack's content will usually override another's.

Starting from 1.0.10 for Minecraft 1.20.1 and 2.0.7 for Minecraft 1.12.1, general compatibility has been improved because the datapack moved the majority of the tweaks under its own pack namespace lcmt. The datapack only overrides the following datapack files from the base Lost Cities mod:

  • lostcities/lostcities/worldstyles/standard.json
  • lostcities/lostcities/worldstyles/standard_everywhere.json
  • lostcities/lostcities/citystyles/citystyle_border.json

These overrides help enable all the tweaks by default so you need to manually create new lost cities profiles to enjoy them.

Compatibility with Other Mods

It should be compatible with mods that are compatible with The Lost Cities mod. The lootable chested/barrels added by this datapack are also compatible with mods like Lootr.

Dependencies

See the "Dependencies" section in Lost Cities Modern Tweaks for additional details.

FAQs

See FAQs in Lost Cities Modern Tweaks.

Lost Cities Modern Tweaks (Lights Off Edition) for Minecraft 1.21.1 - v2.1.1
MC 1.21.1, NeoForge, Server
Release 2026-10-03 Get
Lost Cities Modern Tweaks (Lights Off Edition) for Minecraft 1.21.11 - v3.1.1
MC NeoForge, Server, 1.21.11
Release 2026-10-03 Get
Lost Cities Modern Tweaks (Lights Off Edition) for Minecraft 26.2 - v5.0.1
MC Fabric, NeoForge, Server, 26.2
Release 2026-10-03 Get
Lost Cities Modern Tweaks (Lights Off Edition) for Minecraft 26.1.2 - v4.0.1
MC NeoForge, Server, 26.1.2
Release 2026-10-03 Get
Lost Cities Modern Tweaks (Lights Off Edition) for Minecraft 1.20.1 - v1.1.2
MC 1.20.1, Forge, Server
Release 2026-10-03 Get

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