StackOne Mod (1.20.4, 1.20.1) – One Item Per Slot No Exceptions
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July 31, 2025
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:










How to Install:
New to Minecraft? Follow our step-by-step guide to install Mods on your PC.View Guide
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