Description:
/physicsliteextras oxygen true. Seal yourself inside a fully enclosed room with no open-air path and you will begin to suffocate./physicsliteextras boil true, then place water within two blocks of a heat source (e.g. a furnace or lava) and watch the bubbling particles appear.Physics Lite Extras brings lightweight, reactive physics to Minecraft so the world feels alive. Trees topple into rolling logs, granular blocks avalanche down slopes, and water behaves with pressure. On top of these environmental systems, the mod adds boiling water, a ragdoll player mode, and an oxygen/suffocation system for sealed rooms — all controllable via in-game commands.
| Feature | Summary |
|---|---|
| Tree Physics | Felled trees collapse into falling logs that tumble outward and knock loose canopy leaves. |
| Granular Avalanches | Sand, gravel, and concrete powder cascade and slide realistically. |
| Pressurized Water | Water pockets seek escape routes and can break weak materials: dirt, mud, clay, sand, gravel, farmland, snow, and torches. |
| Boiling Water | Water near heat sources bubbles and steams; sustained heat for 60 seconds causes it to slowly evaporate. |
| Ragdoll Mode | Toggleable fully physical player movement with a spinning camera effect. |
| Oxygen Loss | Optional system: players in completely sealed rooms with no open-air path suffocate and take drowning damage. |
| Air Pump | Placeable block that supplies oxygen to a sealed room — but only if one side connects to open air. |
Tree and granular physics trigger automatically. Chop the base of a tree and logs will fall and push outward. Dig beneath sand or gravel on a slope and an avalanche begins. Water in enclosed pockets will seek exits and erode weak blocks in its path.
/physicslite ragdollWhile ragdoll is active, your movement becomes fully physical and the camera pitches and yaws dynamically based on your speed. Toggle it off to regain normal movement.
Enable boiling with /physicsliteextras boil true. Any water block within two blocks of a heat source will emit bubbling and steam particles. If the water stays heated for 60 continuous seconds, it begins losing water levels and eventually evaporates entirely. Disable boiling at any time with /physicsliteextras boil false — this also clears all active boiling states immediately.
Enable with /physicsliteextras oxygen true. The system checks whether a player has any open-air path from their current position. If the room is completely sealed — no gaps, doors, or open-sky connection — the player will suffocate and take drowning damage. Disable with /physicsliteextras oxygen false.
Surviving a sealed room:
/physicslite status — Inspect the state of all physics systems./physicsliteextras — View current state of extras (boiling and oxygen).The Air Pump is crafted at a crafting table. It is mineable with a pickaxe and drops itself when broken.
Recipe — Air Pump:
Iron | Iron | Iron
Red. | Furnace | Red.
Iron | Iron | Iron
(Three iron ingots across the top, redstone–furnace–redstone in the middle, three iron ingots across the bottom.)
Place the Air Pump in a wall between a sealed room and the outside. As long as the outer face has an open-air connection, the pump will keep the inner room oxygenated.
Any block the game considers a heat source (furnaces, lava, campfires, etc.) can trigger boiling in water blocks within a two-block radius. The 60-second timer resets if the water moves out of range before evaporation completes.
Water under pressure erodes specific block types: dirt, mud, clay, sand, gravel, farmland, snow, and torches. Hard materials (stone, wood, metal) are unaffected. Keep this in mind when building structures adjacent to large water bodies.
Early game: Physics triggers naturally from normal play — no setup needed. Be cautious mining under sand or gravel columns, as avalanches can bury you.
Mid game: Boiling water (/physicsliteextras boil true) adds risk near lava and heat sources. Avoid letting important water features sit next to furnaces or lava pools for too long, or they will evaporate.
Late game / advanced builds: Enable oxygen loss (/physicsliteextras oxygen true) for a survival challenge in underground bases or bunkers. Plan your base with Air Pump placements before fully sealing a structure — once sealed with no pump, the room becomes a suffocation trap. Use /physicslite status and /physicsliteextras regularly to monitor system states across your world.

p01nt_bl4nk
Java 26.1
This mod is licensed under the CreativeMode Mods License.