World simulation mods for Minecraft

A simple mod that adds seasons to the game, dynamically changing biomes as you play.

Trees that grow, forests that spread

More than just trees!

Seasons with changing colors, shifting temperatures, and more!

Boids simulation for flocking fish 🐟

Gives you control over the passage of time by allowing you to customize the length of the day-night cycle and alters the Minecraft sleep mechanic by accelerating the speed of time.

An abundance of new natural systems to make your world feel more alive than ever.

Adds puddles that spawn during rain and thunder! Compatible with any shader pack!

Brings realistic/hardcore mechanics to torches, candles, lanterns, campfires, and jack o' lanterns in a configurable way.

Torches, campfires, and stonecutters will now deal damage to players, animals, or enemies that run over or brush against them. Basically, now the games will be more realistic, since just like in real life, these items will do a little damage.

Makes torches burn out after a configurable amount of time.

Entities on fire will set fire to flammable blocks around them

Gives fluids realistic flowing physics, making them mostly finite. With various settings for performance, visuals, and gameplay interaction.

A realistic overhaul of Minecraft's building mechanics.

Adds more life to your world. Villagers cut grass and improve their villages, animals eat and regrow plants as they wander.

Makes torches burn out after a configurable amount of time, as well as optionally starting unlit and extinguishing when broken or in the rain

Weight mechanics! Manage your load, balance inventory, and enhance survival or RPG-like gameplay.