One Click One Block Legacy

One Click One Block Legacy

Adds a configurable short delay after the player destroys a block

by
66 Downloads
forge
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About this Mod

One Click One Block Legacy


Description

One Click One Block Legacy (1C1BL) is an unofficial backport of One Click One Block (1C1B) designed specifically for Minecraft Forge version 1.12.2.

Features

  • ✅ Adds a configurable short delay after the player destroys a block
  • ⌨️ Provides a hotkey to toggle the functionality on/off
  • ⚙️ Allows customization of the delay duration through configuration

Credit

  • Special thanks to LucunJi for creating the original mod

Available Versions

One Click One Block Legacy 1.0.1release
MC 1.12.2forge
January 15, 2026
One Click One Block Legacy 1.0.0release
MC 1.12.2forge
January 15, 2026

How to Install One Click One Block Legacy on Your Server

1

Order Server

Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).

2

Set forge Loader

In the panel under "Egg", select the forge loader and matching Minecraft version (1.12.2).

3

Install Mod

Open the mod browser in the dashboard and search for "One Click One Block Legacy". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

forge

Minecraft Versions

1.12.2

Server-side

Unsupported

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

One Click One Block Legacy server crashes on startup – what to do?

Most common cause: wrong forge version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.12.2). You can switch loaders with one click in the panel.

Is One Click One Block Legacy compatible with forge?

One Click One Block Legacy officially supports forge for Minecraft 1.12.2. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with One Click One Block Legacy – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if One Click One Block Legacy consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.

Rent Modded Server

Install One Click One Block Legacy with just one click on your server.

Recommended RAM
4 GBab €8/mo
Min. 3 GB | +1 GB pro 8 Spieler
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1-Click Mod Install
NVMe SSD Storage
DDoS Protection included

Details

License
GNU Lesser General Public License v3.0 or later
Server-side
Unsupported

Supported Versions

1.12.2