ModsFinder

Hazardous

by McJty

Hazardous is a Forge mod that adds configurable world hazards, such as radiation and poison, to a Minecraft world.

ForgeClient and serverMIT LicenseOpen source1.20.1

What it does

Hazardous adds hazards like radiation and poison to the world, and each one can be tuned through its configuration. Modpack makers can use it to add spice to a world under certain conditions. It requires McJtyLib, and it runs on client and server, so the server and every player need it. Files are published for Forge 1.20.1 and the mod is released under the MIT License.

Key features

  1. Configurable radiation

    Radiation is one of the hazards that can be added to the world, and its effects are set in the configuration.

  2. Poison hazards

    Poison is another hazard the mod can place in the world, for players to avoid or manage.

  3. Conditional world spice

    The hazards can be enabled under certain conditions, which suits modpacks that want a harsher atmosphere in parts of the world.

Compatibility

Latest build for each game version and loader.

1.20.11.20-1.0.2
ReleaseBetaAlphaNot available

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

Requirements

Dependencies declared by the latest file for each loader.

Required 1

McJtyLibLibrary mod used by most mods by McJty and romelo333 (RFTools, XNet, Deep Resonance, Not Enough Wands, SignTastic, etc.)
Required

Questions

Does Hazardous need McJtyLib?

Yes. McJtyLib is a required dependency and must be installed alongside Hazardous on Forge 1.20.1.

Does Hazardous have to be installed on both sides?

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

In the catalog

Hazardous is one of 19,031 Adventure mods on ModsFinder, and one of 10,478 Adventure mods for Forge. 34,764 mods support Minecraft 1.20.1.

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What the author says

Thanks to TqLxQuanZ who asked for this mod for his DeceasedCraft modpack! He also contributed all of the assets (sounds and artwork)
McJty, on the Modrinth page

Official listing

Owner
McJty
Published
2026-04-14
Updated on Modrinth
2026-09-13
Facts verified
2026-10-15

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