Requires the library mod Collective.

This mod is part of Serilum's Customization Bundle mod.
Configurable Furnace Burn Time is a mod which allows users to change the global furnace fuel burn time. By default the mod does not change anything, but you can alter the burnTimeModifier in the config. Setting the modifier to 0.5 makes all items burn 50% less long. Setting it to 2.0 increases the burn time to 200%.

Can be used to increase the game's difficulty or make getting fuel less grindy.

Configurable: ( how do I configure? )
burnTimeModifier (default = 1.0, min 0.0, max 1000.0): How much the fuel burn time should be modified. It's calculated by default burn time * burnTimeModifier. For example: sticks are by default 100 ticks (5 seconds). A burnTimeModifier of 2.0 makes it 200 ticks (10 seconds).

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You may freely use this mod in any modpack, as long as the download remains hosted within the Modrinth ecosystem.

Serilum.com contains an overview and more information on all mods available.

Comments are disabled as I'm unable to keep track of all the separate pages on each mod.
For issues, ideas, suggestions or anything else there is the Github repo. Thanks!

Datapacks

William Wythers' Overhauled Overworld (Datapack)