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Fever & Frost

Temperature, diseases, hydration, fatigue, shelter comfort, medical crafting, and survival progression for Forge.
by hijinks001
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33 downloads
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Updated Jul 6, 2026
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Adventure and RPG Food

Fever & Frost

Fever & Frost is a Forge survival mod built around temperature, disease, hydration, fatigue, shelter, and medical progression. It turns the world into something you have to prepare for: deserts overheat you, cold biomes freeze you, storms matter, and survival gear becomes part of your route through the game.

Fever & Frost banner

Features

  • Body temperature system with biome, time of day, weather, altitude, seasons, humidity, shelter, heat sources, and cold sources.
  • HUD thermometer with extra survival bars for hydration, fatigue, and shelter comfort.
  • Heat waves, cold snaps, blizzards, dust storms, wet clothes, frostbite, heatstroke, and hot-water scalding.
  • Diseases: cold, fever, plague, tetanus, and parasites.
  • Incubation, severity, immunity, symptoms, sounds, screen effects, and recovery.
  • Hydration and fatigue systems for the 4.0.0 survival overhaul.
  • Shelter comfort scoring based on roofs and nearby walls.
  • Thermal bottles: empty, cold, warm, hot, dirty, and purified water.
  • Water heater block with custom GUI.
  • Medical station block with custom GUI.
  • Medicines: herbal tea, antipyretic, antibiotics, activated charcoal, antiseptic, tonic, injections, splint, and painkiller.
  • Warm clothing and cool clothing armor sets with custom worn textures.
  • Equipment: thermometer, advanced thermometer, heat stone, cold stone, portable heater, portable cooler, insulated pack, and heat briquette fuel.
  • Guidebook, commands, custom death messages, custom advancements, generated recipes, and JEI compatibility.

Commands

  • /temperature check
  • /temperature set <value>
  • /checktemp
  • /cure
  • /survival check
  • /survival hydration <value>
  • /survival fatigue <value>

Compatibility

  • Minecraft: 1.21.1
  • Mod loader: Forge
  • Developed on Forge: 1.21.1-52.1.14
  • Java: 21
  • JEI: optional, 19.25.1+

Recommended

JEI is optional but recommended so players can inspect water heater recipes and all generated crafting recipes in-game.

fever_and_frost-4.0.0.jar
MC Forge, 1.21.1
Release 2026-05-20 Get

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