Simplexium
All-in-one Minecraft expansion: powerful automation, smart interactions, mining mechanics, and visual tweaks.
About this Mod
Simplexium is an all-in-one expansion that goes far beyond simple Quality of Life. It combines powerful automation, advanced world interactions, dynamic farming, and even visual camera filters into a single, highly configurable mod.
✨ Features
| Feature | Description |
|---|---|
| ⛏️ Vein Mining | Break one ore block to harvest the entire vein. Works with modded ores. |
| 🪓 Tree Chopping | Fell whole trees. Now with configurable Leaf Decay modes (Instant or Fast Decay). |
| ⚔️ Auto-Tool & Weapon | Automatically swaps to the best tool or weapon. Swaps back after use. |
| 📦 Auto-Refill | Refills hotbar stacks from inventory (and Shulker Boxes!) when they run out. |
| 🍗 Auto-Eat | Automatically eats the best food when hungry or healing. Smart and configurable. |
| 🛌 Sleep Heal | Restores a percentage of missing health when you wake up. Because sleep is healthy! |
| 📸 Camera Mode | Press F12 for cinematic filters (Warm, Cold, Notch, etc.) and specialized screenshots. |
| 🌾 Easy Harvest | Right-click to harvest and replant. Use a Hoe for 3x3 area harvesting and drop bonuses (hand harvesting gives a 25% penalty!). |
| 🚪 Smart Doors | Opens double doors, trapdoors, and fence gates simultaneously. |
| 🛡️ Grief Protection | Optional tweaks: Anti-Trample (crops) and Anti-Enderman Griefing. |
| 🪜 Fast Ladders | Look up to climb faster, look down to slide. |
| 🧘 Sit & Lie | Press X to sit or Z to lie down. Lying down allows crawling through 1x1 gaps. |
| 🖐️ Item Throw | Hold Drop key (Q) to charge a throw. Throws items farther based on charge. |
| 🪵 Anti-Strip | Prevents accidental log stripping with axes. Hold Shift to strip. |
| ⚙️ In-game Config | Tweak all mod settings directly from the in-game mods menu. No restarts required! |
📺 Feature Showcase
⚙️ Configuration
You can tweak almost everything directly in the game! Just go to Mods -> Simplexium -> Config. Alternatively, you can edit the simplexium-common.toml file.
Don't like a specific feature? You can disable Vein Mining, Auto-Swap, Drop Penalties, or anything else individually.
Available Versions
How to Install Simplexium on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set neoforge Loader
In the panel under "Egg", select the neoforge loader and matching Minecraft version (1.21.11).
Install Mod
Open the mod browser in the dashboard and search for "Simplexium". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.11, 1.21.10, 1.21.4 (+1 more)
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Simplexium server crashes on startup – what to do?
Most common cause: wrong neoforge 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 (1.21.11). You can switch loaders with one click in the panel.
Is Simplexium compatible with neoforge?
Simplexium officially supports neoforge for Minecraft 1.21.11, 1.21.10, 1.21.4. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Simplexium – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Simplexium 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.
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Rent Modded Server
Install Simplexium with just one click on your server.