How to Make an Automated Mob Farm in Minecraft (Survival-Friendly Guide)

 If you've ever wanted an endless supply of bones, arrows, rotten flesh, gunpowder, or even XP — an automated mob farm is the way to go. This farm works passively, killing hostile mobs for you and collecting their drops automatically.

Whether you're on Java or Bedrock, this guide will walk you through how to make a simple and efficient mob grinder without needing advanced redstone.

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🧟 What Is a Mob Farm?

A mob farm is a dark space where hostile mobs (zombies, skeletons, creepers, etc.) can spawn. The farm then moves them (usually with water), kills them (with fall damage, lava, or crushing), and collects their drops automatically with hoppers and chests.

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🧱 What You’ll Need

For a basic fall-damage mob farm:

Building Materials:

• Lots of building blocks (stone, cobblestone, etc.)

• Water buckets (at least 4)

• Trapdoors (about 24)

• Hoppers (4–8)

• Chests

• Slabs (for spawnproofing)

• Signs or fences (optional)

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📍 Step-by-Step: Basic Automated Mob Farm

🔹 Step 1: Build the Collection Platform

Start by building your collection area:

• Create a 5x5 hole where mobs will fall and die.

• Place hoppers at the bottom, leading into chests.

• Cover the top of the hoppers with carpet or slabs so mobs don't get stuck.

• You can stand nearby or build an AFK platform here.

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🔹 Step 2: Build the Drop Shaft

Build up 23 blocks high from the hoppers — this is the height needed for most mobs to die from fall damage.

• Build walls around the shaft to form a tube.

• You can add glass on one side to watch them fall if you like.

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🔹 Step 3: Build the Spawn Chamber

At the top of the drop shaft, build a dark spawn platform:

• Make a 19x19 square platform.

• Divide it into 4 channels (2 blocks wide) that lead to the drop shaft in the center.

• Place water at the end of each channel so it flows to the hole.

• On the flat areas between water channels, mobs will spawn.

Tip: Place trapdoors on the ceiling (or on the floor edges) to trick mobs into walking into the hole.

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🔹 Step 4: Cover the Roof

Mobs only spawn in darkness, so cover the entire spawn platform with a roof made of solid blocks. Make it 2 blocks high inside so mobs like skeletons and zombies can spawn, but not endermen unless you want them.

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🔹 Step 5: Lightproof and Spawnproof

• Lightproof the inside to make sure it’s totally dark.

• Spawnproof the top of the roof with slabs or torches so mobs don’t spawn on top of your farm.

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🔄 How It Works

1. Mobs spawn in the dark chamber.

2. Trapdoors trick them into walking into water channels.

3. Water pushes them to the center hole.

4. They fall down the shaft and die from fall damage.

5. Hoppers collect the drops into a chest.

6. You collect bones, arrows, string, gunpowder, and more — automatically!

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🧠 Upgrades and Automation Tips

Want to improve your mob farm?

• Add multiple layers for more spawns.

• Replace fall damage with crushers or lava for tougher mobs.

• Use redstone clocks to flush water on timers (for higher efficiency).

• Add item filters to sort the loot.

• Add XP collection by making mobs survive with 1 health, then using a trident killer (Bedrock) or manual sword swipe.

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⚠️ Mob Farm Tips

• Best built above oceans or in the sky to reduce other mob spawns.

• AFK at least 24 blocks away from the spawn pads, but within 128 blocks.

• Works best at night or in a spawn-proofed area.

• Avoid building near villages or other mob-heavy areas.

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🎯 What Can You Farm?

• Zombies: Rotten flesh (trade with clerics)

• Skeletons: Bones and arrows

• Creepers: Gunpowder (rockets, TNT)

• Spiders: String and spider eyes

• Witches (occasionally): Redstone, glowstone, sugar, bottles

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✅ Final Thoughts

An automated mob farm is one of the most useful farms in Minecraft. It runs passively while you build, mine, or AFK nearby. Once built, you’ll never need to manually fight for gunpowder, arrows, or bones again.

Perfect for early-game XP and late-game resource grinding — this is a must-have survival project!