CurseForge · Minecraft mod
Inventory Physics
replaces the static inventory grid with real 2D physics: items fall, bounce, and stack naturally. Client-side only.
Quick answer
Which Inventory Physics release should I use?
Inventory Physics 0.8.2 (Forge 1.12.2) targets 1.12.2 with Forge. The project page does not say whether this file belongs on the client, dedicated server, or both. No extra mods listed for this file.
Where it goes
Is Inventory Physics required on the client, server, or both?
The project page does not say whether this file belongs on the client, dedicated server, or both.
The source does not explicitly classify this release as client-only or server-only.
What else does Inventory Physics 0.8.2 (Forge 1.12.2) need?
Inventory Physics 0.8.2 (Forge 1.12.2). Change the file and its required mods may change too.
This file does not list any required mods. Do not add a library just because a different file uses it.
This file does not list any required or optional mods.
Before you install it
Add Inventory Physics without breaking your instance.
Built for Inventory Physics 0.8.2 (Forge 1.12.2). Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use Inventory Physics 0.8.2 (Forge 1.12.2). It targets 1.12.2 with Forge; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
This file does not list any required mods. Do not add a library just because a different file uses it.
- 03
Put it on the correct side
The project page does not say whether this file belongs on the client, dedicated server, or both.
- 04
Pick the file you checked
Use the “Get this file” button beside Inventory Physics 0.8.2 (Forge 1.12.2). It opens that exact file at the source.
About this project
What does Inventory Physics add?
Inventory Physics
Your inventory is no longer a neat grid. The 27 main slots become a bag where items lie on top of each other, fall, bounce and roll around.

Playing with items
- Grab an item with the left mouse button and move it around. Let go while the mouse is moving and the item flies across the bag.
- Spin the item you are holding with the mouse wheel, the arrow keys or A and D.
- Let go of an item outside the inventory window to throw one of it into the world. Hold Shift or Ctrl to throw the whole stack.
- Press Q over an item to drop one, or Ctrl+Q to drop the whole stack.
- Right-click an item in the bag to split the stack in half.
- Drop an item on the hotbar, armor or crafting slots to put it there. Hold Shift to put just one.
- Holding a stack on the cursor? Click inside the bag and it lands where you clicked.
Items act like real things
- An anvil is heavy and barely bounces, a feather drifts down slowly, slime balls bounce, ice slides.
- Jump or fall and everything in the bag flies up. Land and the bag shakes.
- Two identical items that bump into each other merge into one stack.
- An item under the cursor grows a little and leans toward it.
- Sparks, dust and trails fly when items hit something, and the knock sound depends on how heavy the item is.
New: keep some slots as normal slots
Click the small grid button at the top right of the bag. Click or drag over cells to mark them green. Green cells stay normal slots: the item in them stays in place and the rest of the bag piles up around it. Click the button again when you are done. Your choice is saved.
Settings
You can change gravity, bounciness, friction, the hover effect, auto-stacking, particles and sounds, or turn the physics bag off. On Forge and NeoForge open the Mods list and press Config. On Fabric use Mod Menu.
Good to know
- Only you need the mod. Servers don't, and it works on any server, vanilla included.
- The hotbar, armor, offhand and crafting grid work as usual. The creative inventory is not changed.
- Chests, furnaces and other containers keep the normal grid.
- Fabric API is not required.
Versions
| Minecraft | Loaders |
|---|---|
| 1.12.2 | Forge |
| 1.20.1 | Fabric, Forge |
| 1.21.1 | Fabric, Forge, NeoForge |
| 26.3 | Fabric, Forge, NeoForge |
Project description from CurseForge.
Pick your setup
Inventory Physics by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.21.1
3 loader builds1.20.1
2 loader builds1.12.2
1 loader buildCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Inventory Physics versions and loaders
Inventory Physics 0.8.2 (Forge 1.12.2)
realisticinventory-forge-1.12.2-0.8.2.jar
15 Nov 2026
Inventory Physics 0.8.2 (NeoForge 26.3)
realisticinventory-neoforge-26.3-0.8.2.jar
15 Nov 2026
Inventory Physics 0.8.2 (Forge 26.3)
realisticinventory-forge-26.3-0.8.2.jar
15 Nov 2026
Inventory Physics 0.8.2 (Fabric 26.3)
realisticinventory-fabric-26.3-0.8.2.jar
15 Nov 2026
Inventory Physics 0.8.2 (Forge 1.20.1)
realisticinventory-forge-1.20.1-0.8.2.jar
15 Nov 2026
Inventory Physics 0.8.2 (Fabric 1.20.1)
realisticinventory-fabric-1.20.1-0.8.2.jar
15 Nov 2026
Inventory Physics 0.8.2 (Forge 1.21.1)
realisticinventory-forge-1.21.1-0.8.2.jar
15 Nov 2026
Inventory Physics 0.8.2 (Fabric 1.21.1)
realisticinventory-fabric-1.21.1-0.8.2.jar
15 Nov 2026
Inventory Physics 0.8.2 (NeoForge 1.21.1)
realisticinventory-neoforge-1.21.1-0.8.2.jar
15 Nov 2026
realisticinventory-0.7.7.jar
21 Sept 2026
realisticinventory-0.7.6.jar
4 Sept 2026
realisticinventory-0.7.5.jar
1 Sept 2026
Looking for an older file? The official CurseForge project page is in Resources.