Antispawn: No More Slimes in Your Mines

Antispawn is a lightweight Minecraft mod that blocks slime spawns below Y=40, keeping your mines and caves clear. Perfect for peaceful underground exploration.

Download Antispawn for Minecraft 1.9

Original name: Antispawn

Minecraft: 1.9

Loaders: Forge

FileVersionLoaderSize
Antispawn-0.0.1.jar1.9Forge5 КБDownload

Antispawn

If you have ever been digging a deep tunnel or exploring a sprawling cave system only to be interrupted by the constant, squelching nuisance of slimes, you know exactly how frustrating they can be. Slimes are one of Minecraft’s most persistent underground mobs, and their ability to spawn in large numbers can turn a relaxing mining session into an annoying cleanup operation. Antispawn is a minimalistic, no-fuss mod designed to solve that problem with surgical precision.

What Is Antispawn and How Does It Work?

Antispawn is a lightweight, server-friendly add-on that targets a very specific annoyance: slime spawns deep underground. Unlike broad mob-control mods that alter dozens of spawning rules, Antispawn focuses on a single, elegant fix. It hooks into Forge’s LivingSpawnEvent.CheckSpawn event and simply denies the spawn attempt if the entity is a slime and the Y-coordinate of the attempted spawn is below 40. That means any slime trying to appear in caves, mineshafts, or deep ravines is quietly prevented, while slimes in swamps and other surface-level locations remain completely untouched. You get to keep the vanilla slime experience where it belongs, without the underground interruptions.

Why You Need Antispawn in Your Modpack

Slimes are notorious for spawning in large sizes and splitting into even more slimes when killed. In tight underground spaces, this can quickly become overwhelming, especially if you are trying to focus on building a base, mining for resources, or fighting other hostile mobs. Antispawn removes that headache without affecting any other game mechanics. It does not alter loot tables, slime chunk behavior, or swamp spawns. It simply says “no” to slimes that try to appear below Y=40. The result is a cleaner, more enjoyable underground experience that still feels completely vanilla.

Key Benefits of Antispawn

  • Targeted slime removal: Only blocks slime spawns below Y=40, preserving surface slime mechanics.
  • Minimal performance impact: A single event check means no lag, even on large servers.
  • Easy to install: Drop it into your mods folder and you are done.
  • Compatible with major Minecraft versions: Works on 1.16.5, 1.18.2, 1.19.2, 1.19.4, and 1.20.1 using Forge.

How to Install Antispawn

Installing Antispawn is straightforward. First, make sure you have the correct version of Forge installed for your Minecraft version. Then, simply download the Antispawn mod file and place it into your mods folder. Launch the game with the Forge profile, and the mod will immediately take effect. There are no additional configurations, no commands to learn, and no complex settings to tweak. It works silently in the background, keeping your underground world slime-free from the moment you load your world.

If you prefer a more streamlined setup, the foxygame.net launcher offers a one-click install option for Antispawn directly from its built-in add-on catalog, automatically matching the mod to your selected Minecraft version and Forge build so you never have to worry about compatibility mismatches.

Supported Minecraft Versions and Loaders

Antispawn is built exclusively for Forge and has been tested across several popular Minecraft releases. You can use it on 1.16.5 for classic modded adventures, 1.18.2 and 1.19.2 for the Caves & Cliffs era, as well as 1.19.4 and 1.20.1 for the latest features. The mod’s simple event-based design makes it easy to maintain across versions, so you can expect consistent behavior no matter which of these you play. Always check the mod’s official page for the most recent version list before you download Antispawn.

How Antispawn Compares to Other Mob Control Mods

Many mob control mods offer broad spawning rule changes, blacklists, or biome-specific tweaks. While powerful, they can sometimes feel heavy or require extensive configuration. Antispawn takes the opposite approach. It does exactly one thing and does it with zero configuration. There is no GUI, no config file, and no need to adjust anything. This makes it ideal for players who just want slimes gone from their mines without touching anything else. It is also perfect for server owners who want to reduce underground clutter without imposing a complex mod on their players.

Performance and Multiplayer Considerations

Because Antispawn only listens to a single Forge event and performs a quick coordinate check, its performance footprint is virtually nonexistent. It will not cause tick lag or increase server load, even on heavily populated multiplayer servers. The mod is fully server-side compatible, meaning only the server needs to have it installed for the effect to apply to all players. Clients connecting to a server running Antispawn do not need to install it themselves, making deployment effortless for server admins.

Where to Download Antispawn

You can find the Antispawn mod on popular Minecraft modding platforms. A quick search for “download Antispawn” will point you to the correct page. Always ensure you are grabbing the version that matches your Forge installation. The mod file is small, typically just a few kilobytes, so it downloads almost instantly. Once you have the file, follow the simple installation steps above and enjoy a slime-free underground.

Final Thoughts

Antispawn is the definition of a quality-of-life mod. It does not overhaul your game, add flashy features, or require you to learn new systems. It simply removes one of the most persistent annoyances in Minecraft’s underground spaces. Whether you are a solo player tired of slime ambushes while branch mining, or a server admin looking to improve the player experience with minimal overhead, Antispawn is a perfect fit. Download Antispawn for Minecraft today and reclaim your caves.