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FTB Team Bases

Dynamic creation & handling of FTB Teams based Islands, Regions and more
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Updated Jun 28, 2026
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FTB Team Bases

Overview

FTB Team Bases is a replacement in MC 1.21.1 for earlier base management mods, including FTB Team Dimensions, FTB Team Islands and FTB Dungeons. It will ultimately include functionality from all of those. Planned functionality includes:

  • Creating bases in a static shared dimension (like FTB Team Islands; dimension ID is ftbteambases:bases by default)
  • Creating bases in a private per-team dimension (like FTB Team Dimensions)
  • Creating bases from pregenerated region files, using off-thread copying and relocating of template MCA files into the target dimension (suitable for huge bases, spanning 1 or more entire 512x512-block regions).
    • Note: this is only suitable for void dimensions, or non-void dimensions with a fixed seed, so the pregenerated regions fit properly with existing worldgen.
  • Creating bases by putting down a Jigsaw block and running jigsaw generation over several ticks (like FTB Dungeons - suitable for large dynamically generated bases)
  • Creating bases by pasting a single NBT structure (suitable for small bases)

The mod is driven by base definition files, which are JSON files in a custom datapack (<mod-id>/ftb_base_definitions/*.json). Each definition file is a template from which a live team base is created. Every live team base has a 1:1 association with an FTB Teams team; when FTB Team Bases is loaded, teams can only be created by creating a base, and when a team is disbanded, players will be ejected from that base, and the base archived.

Four default base definition files are shipped with the mod, although none of these will be displayed as GUI options when creating a base, unless you're running the mod in a development instance (from an IDE), or you've set show_dev_mode to true in the client config.

Developer Docs

See our developer documentation in our projects README.md

Support

Licence

All Rights Reserved to Feed The Beast Ltd. Source code is visible source, please see our LICENSE.md for more information. Any Pull Requests made to this mod must have the CLA (Contributor Licence Agreement) signed and agreed to before the request will be considered.

Keep up to date

[NEOFORGE] FTB Team Bases 21.1.13
MC 1.21.1, NeoForge
Release 2026-04-23 Get
[NEOFORGE] FTB Team Bases 21.1.12
MC 1.21.1, NeoForge
Release 2026-04-11 Get
ftb-team-bases-20.1.3.jar
MC Fabric, 1.20.1
Release 2026-04-05 Get
ftb-team-bases-20.1.3.jar
MC 1.20.1, Forge
Release 2026-04-05 Get
[NEOFORGE] FTB Team Bases 21.1.11
MC 1.21.1, NeoForge
Release 2026-02-27 Get
ftb-team-bases-20.1.2.jar
MC Fabric, 1.20.1
Release 2026-01-08 Get
ftb-team-bases-20.1.2.jar
MC 1.20.1, Forge
Release 2026-01-08 Get
[NEOFORGE] FTB Team Bases 21.1.10
MC 1.21.1, NeoForge
Release 2025-11-11 Get
[NEOFORGE] FTB Team Bases 21.1.9
MC NeoForge, 1.21.1
Release 2025-10-30 Get
[NEOFORGE] FTB Team Bases 21.1.8
MC NeoForge, 1.21.1
Release 2025-10-21 Get
[NEOFORGE][1.21.1] FTB Team Bases 21.1.7
MC NeoForge, 1.21.1
Release 2025-08-13 Get
[NEOFORGE][1.21.1] FTB Team Bases 21.1.6
MC NeoForge, 1.21.1
Release 2025-06-17 Get
[NEOFORGE][1.21.1] FTB Team Bases 21.1.4
MC NeoForge, 1.21.1
Release 2025-05-17 Get
[NEOFORGE][1.21.1] FTB Team Bases 21.1.3
MC NeoForge, 1.21.1
Release 2025-03-06 Get
[NEOFORGE][1.21.1] FTB Team Bases 21.1.2
MC NeoForge, 1.21.1
Release 2025-02-13 Get
[NEOFORGE][1.21.1] FTB Team Bases 21.1.1
MC NeoForge, 1.21.1
Release 2025-02-12 Get

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