







StackOne Mod flips Minecraft’s inventory system on its head by limiting all item stacks to just one per slot. It’s a challenge mod for players who want to rethink storage, crafting, and resource management from the ground up.
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Features:
- Sets maximum stack size to 1 for all items
- Makes inventory space a premium resource
- Great for hardcore survival, puzzle maps, or modpack challenges
- Includes config file:
– ignore_item.json lets you whitelist items that can still stack normally
– Example: { “item”: “minecraft:stone” }
Screenshots:










StackOne Mod Download Links
For Minecraft 1.20.4, 1.20.3, 1.20.2, 1.20.1, 1.20
Forge version: Download from Server 1 – Download from Server 2
For All Versions from Minecraft 1.14 to Minecraft 1.20.4
Fabric version: Download from Server 1 – Download from Server 2
For Minecraft 1.19.4, 1.19.3, 1.19.2, 1.19.1, 1.19
Forge version: Download from Server 1 – Download from Server 2
For Minecraft 1.17.1
Forge version: Download from Server 1 – Download from Server 2
For Minecraft 1.16.5
Forge version: Download from Server 1 – Download from Server 2
For Minecraft 1.15.2
Forge version: Download from Server 1 – Download from Server 2
For Minecraft 1.14.4
Forge version: Download from Server 1 – Download from Server 2
For Minecraft 1.12.2
Forge version: Download from Server 1 – Download from Server 2
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.20.4, 1.20.1
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: In MC Java Mods, or directly above on this page.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
- Downloads as 177768.mcaddon
- Download size: 16 KB
- Download link checked 24 Jul 2026 — working
- Mirrored on our own servers — the download does not depend on the original host
These come from our own check of the pack file, not from the source page.