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Flammable Tweaker

by Edeldark

Flammable Tweaker lets a configuration file decide which blocks can catch fire, extending flammability to blocks that the game leaves untouched.

ForgeNeoForgeClient and serverAll rights reserved1.20.1 – 1.21.11

What it does

Blocks are matched by their names against keywords listed in the configuration. When a block's name matches a configured keyword, that block becomes flammable even if the game did not originally allow it to burn. Blocks that already burn keep their default behavior, and blocks that never burned stay unchanged unless a keyword catches them. The mod works with any block that exists in the game, including blocks added by other mods, so paper-like decorative blocks can be set to burn.

Flammable Tweaker was made to fix a case in the MineColonies mod, in which many blocks from another decoration mod did not burn even though they plainly should. The configurator is simple to use, and it is the only setup step. The mod runs on Forge and NeoForge across 18 release versions, 1.20.1 – 1.21.11, and the environment is client and server, so both the server and every player need it. It is released under All rights reserved and is not open source.

Key features

  1. Keyword-based flammability

    Blocks whose names contain configured keywords are given flammable status, so one entry can cover a whole group of blocks.

  2. Existing burn behavior kept

    Blocks that already burn keep their default behavior, and blocks that never burned stay unchanged unless a keyword matches them.

  3. Any block in the game

    The keyword check applies to every block that exists in the game, including blocks added by other mods.

  4. Simple configurator

    Flammable blocks are set through a configurator that needs no code, so server owners can adjust the list directly.

Compatibility

Latest build for each game version and loader.

1.21.x12 of 12 versions with builds
1.21.11Not available1.1.0
1.21.10Not available1.1.0
1.21.9Not available1.1.0
1.21.8Not available1.1.0
1.21.7Not available1.1.0
1.21.6Not available1.1.0
1.21.5Not available1.1.0
1.21.4Not available1.1.0
1.21.3Not available1.1.0
1.21.2Not available1.1.0
1.21.1Not available1.1.0
1.21Not available1.1.0
1.20.x6 of 6 versions with builds
ReleaseBetaAlphaNot available

Only full game releases are shown. This mod publishes no snapshot builds.

Use cases

Fixing burn behavior for other mods

Blocks from a decoration mod that should burn but do not can be made flammable without changing that mod's files.

Tuning fire hazards on a server

A server owner can decide which groups of blocks spread fire by editing the keyword list.

Who it’s for: Players and server owners who want certain blocks, including blocks from other mods, to catch fire where they do not normally do so.

Questions

Does Flammable Tweaker need to be installed on both sides?

Yes. The server and every player need the mod installed.

Which loaders does Flammable Tweaker support?

The mod is published for Forge and NeoForge. Files exist for 1.20.6 on Forge and for 1.21.11 on NeoForge, both released 2026-01-25.

Does Flammable Tweaker change blocks that already burn?

No. Blocks that already burn keep their default behavior, and only blocks matched by a configured keyword change.

What the author says

This mod lets you easily configure which blocks can burn and which cannot using a simple configurator. It was designed for the MineColonies mod, fixing the issue where many blocks from the Donum Ornamentum mod don’t burn, even when they clearly should. With this mod, they finally will.
Edeldark, on the Modrinth page

Official listing

Owner
Edeldark
Published
2026-01-25
Updated on Modrinth
2026-01-25
Facts verified
2026-10-15
Open on ModrinthCompare