Make a Mob Spawner in Minecraft

This article teaches you how to create a trap for enemy mobs in Minecraft that will allow you to collect the enemies' dropped items after they die.

Steps

  1. Gather the necessary resources. To build a mob trap, you will need the following items:
    • Twelve stacks of cobblestone (768 total cobblestone)
    • Eight Make-a-Bucket-in-Minecraft
  2. Build the tower. Your tower will have four connected walls of two blocks each; in order to kill mobs, it must be at least 28 blocks high.
  3. Add two branches of seven blocks to each side of your tower. The end result should be four branches that are two blocks wide and eight blocks long extending in each direction from the hole in the middle of the tower.
  4. Create a one-block-tall wall around each branch. The purpose of this wall is to contain the water you'll add.
  5. Place water at the end of each branch. To do so, select the water buckets in your quick-access bar and right-click the two squares inside of a branch that are the furthest from the center (e.g., the eighth blocks). This action will consume two water buckets per branch (eight total).
    • If you're using a console controller, press the left trigger instead of right-clicking.
    • Placing the water any closer to the center hole will cause the water to spill over.
  6. Fill in the space between the four branches. Doing so will create a seventeen-by-seventeen platform with a hole in the middle.
  7. Create a two-block tall wall around the platform. Doing this will prevent enemies from jumping off of your platform, which means they'll be forced to fall down the hole in the middle of the platform instead.
  8. Climb back down the hole to the ground. You can place blocks on the inside walls of the tunnel to serve as scaffolding as you jump down, but you'll need to remove them as you go by mining them with a pickaxe.
  9. Create a two-block tall wall around the tower's base. Doing so will prevent enemies from attacking you while you're waiting for mobs to spawn at the top of your tower.
    • Try keeping this wall a minimum of five blocks away from the base of the tower so that you have room to maneuver.
  10. Wait for enemies to drop down the hole. As long as you stay within sixteen blocks of the tower's chute, enemies should begin dropping as soon as you set the game difficulty to "Normal" or "Hard."
    • You may have to wait a night and day cycle before enemies begin dropping.

Tips

  • You will need to be near this spawner for the monsters to move around and fall into the trap.
  • A "drop tunnel" is not strictly necessary, and spiders can cause blockages in one unless you utilize half slabs or stair windows along the tower to knock them down. Alternatively, you can omit the drop tunnel altogether and enjoy the show of watching hostile mobs fall to their deaths while giving you their loot.
  • If you don't want a huge cobblestone structure blocking your view, you can dig 28 blocks down and create the "platform" on ground level instead.

Warnings

  • Creating a mob spawner is an extremely difficult task while on Survival mode since it requires you to place blocks in thin air while not falling to your death. Consider making the spawner in Creative mode and then switching to Normal or Hard Survival mode when you're done.

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