Everything You Need To Know About Slimes In Minecraft

One of the oldest mafias in Minecraft is a slime, a large green block that will spawn into smaller versions of itself when killed. The mob has had one design change over the years where its eyes and mouth were changed from black to dark green, but otherwise its concept has remained mostly the same.

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Slimes are relatively rare mobs as they don’t spawn anywhere. Still, they’re incredibly useful, dropping slime balls when killed. These are used for some of the most important crafting recipes in the game and can also be turned into slime blocks, which have unique physics compared to other, regular blocks. Here’s everything you need to know about Minecraft’s iconic green cube.


Updated on May 25, 2023 by Sean Murray: This isn’t a slime-less survival game. Minecraft slimes haven’t changed much over the years, but we still wanted to refresh this guide with better design and a more recognizable cover.

They spawn at full moon

Minecraft full moon over the desert temple

Slimes have unique rules when it comes to spawning. Unlike regular mobs like zombies and skeletons (which usually spawn at night and usually won’t move unless the player is close enough to the area) slimes will only appear in certain biomes at certain times.

Full moon especially it’s a good time to hunt slime, so pay attention to the night sky in your game. The moon’s cycle changes every night and some texture packs can make it easier to distinguish the moon.

They love swamp biomes

Minecraft modified version of the swamp biome

Hunting slime on a full moon isn’t enough, you’ll need to find the right biome. Slimes will only spawn in swamp biomes when it comes to the surface the overworld. Any other biome will only have them at certain heights or pieces, which we’ll get to in a bit.

Mucus will naturally appear on at night in swamp biomesbut they will be especially plentiful if the moon happens to be full. However, the chance of them appearing compared to other mobs is still relatively low outside of a full moon.

They only spawn in certain areas

A Minecraft player is looking for pieces of slime

If searching the swamp on a full moon is too much trouble, luckily there are other ways to get your hands on the slime. According to the rules of the game, they exist specific pieces in a game that can slime spawns naturally underground.

Finding these pieces can be a problem without a dedicated application such as Chunk Base.

Pieces are 16 by 16 areas on the map and one in ten is probably a piece of slime. Once found, setting up a slime farm should be your first priority.

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They spawn at low altitude

Minecraft slime in the cave

Finding a piece of slime is one thing, but actually getting to the right height is another. This is important because slime will never spawn above ground outside of a swamp. Caves and other underground structures they are your best friend when you are trying to hunt them down.

The best and most effective way to find pieces of slime and actually watch the slime spawn is mine to Y: 40 and below. Y: 40 is considered the highest altitude at which slimes can spawn in any biome.

They can climb

Minecraft slime climbs a ladder

Many enemy mobs in Minecraft can be blocked by closing doors or climbing to a high place. however slimes are fairly intelligent creatures and they are able to chase the player effectivelyeven when they escape up the ladder.

The same applies to scaffolding. Mucus may rise just like any player if they are chasing a target. Although slimes aren’t the most destructive mob, it’s still good to know, especially when you’re building a dedicated slime farm.

Panda cubs can release mucus

Minecraft slime farm using panda

They are mucus it’s not the only way to get slime balls in Game. Those who prefer to play the game in Peaceful mode (or who just can’t find slime chunks or swamp biomes) can also rely on pandas. The problem is that even finding pandas is a bit of a difficult task.

Breeding two pandas will produce a baby pandawhich has a the possibility of sneezing mucus balls. This is a nice alternate but somewhat niche way of growing slime.

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Itinerant merchants sometimes sell slime

Minecraft Wandering Llama Trader

In case you can’t find a panda or a swamp biome and just can’t be bothered hunting down a piece of slime for a slime farm, there is an alternative route through trading.

A traveling merchant is a special villager dressed in blue and accompanied by llamas that will randomly spawn after about 3 hours of real life gameplay. It does not always have the same items in stock, which means that there is small chance one day he may come back with some slime balls.

Recipes with slimeballs

Minecraft sticky pistons

So why are slime balls and slime so important? Actually they are quite a rare resourceand they are worth farming because they are included in a few key recipes. Here’s what you can do with slimeballs:

Sticky Pistons

These redstone pistons will grab any block the slime side comes in contact with.

Magma cream

An important ingredient needed for anti-fire potions. These can also be dropped by Magma Cubes, the Nether’s counterpart to the slime of the overworld.


To tether masses such as cows, horses and llamas, you need a leash.

Slime Block Physics

Minecraft Slime Blocks with player

Finally, there is a block of slime, a a truly unique block which is mainly used in some extremely creative redstone structures and machines. Slime blocks are so different from other blocks in terms of physics that they have become an important utility block for many skilled players.

Mucus blocks deny any fall damage and can be bounced off. More, any drhal walking on slime will be significantly slowed.

For craft a slime blockyou have to match the nine slime balls in the creation grid.

NEXT: The Complete Minecraft Guide and Walkthrough

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