This guide will show you how to build a simple and efficient slime farm, ideal for making sticky pistons, leads, and other items. You'll learn how to find slime chunks, improve spawn rates, and collect slime automatically. Whether you're in survival or creative mode, this step-by-step slime farm tutorial is simple to follow and compatible with all Minecraft versions.

Build an easy and effective slime farm in Minecraft. Find slime chunks, use smart traps, and collect slimeballs fast.

Minecraft Slime Farm: Best Design for Fast Slime Spawning

Efficient Minecraft slime farm design with spawning platforms

Farms, particularly slime farms, are significant installations in Minecraft 1.22, 1.21.6, 1.21.5, and 1.21. Following the game's most recent upgrade in 2025, players are returning and creating new worlds. As a result, people must learn how to construct a slime farm in the simplest way possible.

Slime farms are made up of slimes, which are uncommon hostile monsters. They are massive, block-like creatures that jump and land on players to harm them. When they are killed, they are split into miniature versions of themselves.

When all of them are defeated, they each release a slimeball, which can be used to make slime blocks, sticky pistons, and other useful tools. This is why players need to know how to set up a basic farm for these mobs.

1. Where Slimes Become Spawns

Swamp Biome in Minecraft, via Playskeeda

This is the first problem users might run into in Minecraft before beginning the farm. Only slime chunks or swamp biomes are home to these uncommon creatures.

Only 10% of a planet's blocks are capable of generating them. Players can either build a farm in the swamp biome with fewer spawns or select a specific section for an efficient farm. However, gamers can easily obtain these individual chunks by going to a website called 'Chunk Base' and entering the world's seed.

2. Items to keep on hand for the farm

Players may collect items to begin a farm in Minecraft when they come across a particular piece or a swamp biome. Players will need the following items to begin their farm:

• 3 Sturdy half-slab stacks
• 1 Ladder stack
• 1 Stack of any powerful block
• Torches\sHoppers
• Campfire
• Glass cubes
• Trapdoors
• Chests
• Carved Pumpkin on an Iron Block
• 1 Flight of stairs

3. Building a farm for slime

To start, players have to go down to Y level 28 and dig a trench around the chunk boundary that is six blocks deep. In the Java Edition of Minecraft, players can toggle chunk boundaries by pressing F3+G. After they've dug a wide gap from Y level 28 to 22, they'll need to dig 2 blocks past the chunk boundary to give slimes more space to spawn.

Then, 4 blocks above the ground, players have to build a half-slab platform. This provides an additional spawning area for the mobs. 3 blocks may be covered by the platform.

With all of the campfires, hoppers, and chests in the center of the hole, players will have a collection pit where slimes can fall and perish. On top of the collection pit, players must construct an iron golem and use trapdoors to trap it. This makes the enemy monsters jump into the campfires and concentrate on the iron golem before attacking.

Top view of Minecraft slime farm with spawn-proofed floor

Because these mobs can spawn regardless of the underground light level, players must make sure the entire area is adequately lit to prevent the spawning of any other hostile creatures. Then, to keep monsters spawning, players can position themselves high above the farm in an AFK position. This is the most straightforward way to build a slime farm in Minecraft.