slimes not spawning in slime chunk. 3, Make a mob duplicator, and there you go! Dig straight down one block away from the slime chunk (a vertical column that cannot spawn slimes but is adjacent to a vertical column that can spawn slimes, which is part of your slime spawning pads) and place ladders down. slimes not spawning in slime chunk

 
<q> 3, Make a mob duplicator, and there you go! Dig straight down one block away from the slime chunk (a vertical column that cannot spawn slimes but is adjacent to a vertical column that can spawn slimes, which is part of your slime spawning pads) and place ladders down</q>slimes not spawning in slime chunk About 40 blocks away from the main plateform, slimes still didnt spawn One slime spawned once, but I don’t know where I was when it did

the big slime needs a 3x2. 5 high to spawn and 3. This means 100% of slime spawns will be blocked by a new moon. So i created a Aternos server in minecraft version 1. • 2 yr. 18 world. The goal is to have no solid blocks above your farm, as the game will increase the spawning area upwards to where the highest solid block is located in the chunk. I'll give it a try. Hi, I am playing on public server on 1. His farm is in a Slime chunk though which should always spawn slimes. One layer isn’t gonna net you a huge amount of slime, but if you don’t need that many, then perhaps 3-4 layers above and below y=10 would yield you enough. jar (open with WinRAR or the like) and make sure to delete the META-INF folder if it's still in there. ) I've made 3 levels in those 4 chunks so I've got 12 "chunk-platforms" working. I'm playing realms on bedrock. Haste 2 and efficiency V, go below y=45, then just mine and lit up the area. ExtraBiomes has others swamps that just don't spawn any slimes, sadly. Shown is a group of monster spawners in a flat world. . 4% chance that you were just unlucky and there are no slime chunks. Slime spawn in slimes chunks below y40. Slimes spawn in the Overworld in specific "slime chunks" below. Description. the-nord-jord • 9 mo. No matter what i do (short of giving myself spawn eggs and forcing spawns) slimes do not spawn. The slime chunks are specific chunks that are rare and consist of only 10% of Minecraft world chunks. One thing that may increase you luck is lighting up the slime farm in some manner. Make sure you're not further than 128 blocks away from the killing platform, because after 128 blocks mobs despawn immediately. 18. You need to be at least 24 blocks away but not more than 128 for them to spawn. Nov 15th 2022. If you manage to find a really compact slime farm, (i. the chunk is a slime chunk (1/6 chance for any chunk to be a slime chunk on world generation) TL:DR - during the day the superflat default is basically the perfect slime farm. If you have any idea, please tell me. 3 - "Skylight" access is a poor way to phrase the issue. Then make an AFK platform 120. if you look bottom right left u can see i(and the platform too) are at y5~6 and have 4 slime chunks in front of me with a distance of nearly 24 to three of em, the furthest point of this current platform is a bit more than 32 blocks away. • 9 mo. • be the only person on the server when using it. slime: difficulty is not set to peaceful or slime size is small. Slime spawning and despawning uses different light and distance parameters from other 'hostile' mobs. Slime Spawner not working. World Download:. 2. Pignity69 Iron Farmer • Additional comment actions. At level 40, I constructed several hostile mob spawning pads. The world of Minecraft consists of several 16×16 blocks, the so-called chunks. In slime chunks, slimes only spawn on layer 39 and below (feet pos). That's a large area of which only 256 blocks (the floor of your chunk) allow slimes. 14. RELATED. The problem might be mob cap but it's 1. Share. "Slime chunks" [edit | edit source] Slimes spawn throughout the world (except mushroom fields and deep dark biomes) below level Y=40 regardless of light level, but only in certain chunks; 1 ⁄ 10 of all. the caves go way too deep. The algorithm doesn't depend on the world seed, thus the chunks that slimes can naturally spawn in inhabit the same. 1 After using chunkbase's slime finder app I dug out a large portion of a slime chunk. Slimes have a low chance of spawning compared to zombies or skeletons. So, you stand in. Two slime were spawned in the formely dark testing room I built (floor is Y35), and use of the. the light level of the spawning block must be 7 or darker (with exception. I think that for slimes a better choice would be having a slime cave biome as we still have few underground biomes. In a regular superflat world, there are 4 layers, last is bedrock, and the rest is grass and dirt. I have lit up the room light levels are above 10 everywhere and there are no other mobs spawning inside. You can also locate slime chunks through Botanias slime in a bottle. If after a while they stop. Stand a good 30 blocks away from the edge of the chunk and afk for about 10 minutes to an hour, and you should have at least one slime in there. 17). Of course if you are using these types of blocks, your spawning platform won't. I started on y=11 and waited around by the chunk for anything to spawn, but nothing has, but I. The actual Launch Pad of our main silo is at Y=24. e one that doesn't take up a whole chunk because mining all of it would take a long time) please let me know. ArticlePlastic9272. The Dread Lamp works the same, but for passive mobs, no more bats in your belfry. While chunk spawning always has a 10% success rate (not taking slime chunk chances or anything else into account), the success rate of swamp spawning depends on the light. They spawn more frequently during a full Moon, and never spawn during a new Moon. ive used shulkercraft’s method but swapped out torches for lit jack-o-lanterns. Slimes don't care about light at all in slime chunks, so you don't have to worry about having too much light; just make sure no block is light level 0. 0. Edit: It was because they only had a spawning space of 2 high instead of 3 high. The swamp rule is also a bit weird as well. Slimes spawn in the Overworld in specific chunks below layer 40 regardless of light levels. Firstly, use a slime chunk finder to make sure you're in the right area. One out of every ten of these chunks is labelled as a Slime chunk, spawning Slimes naturally. Except in the swamps during moon phases. 13. Slimes can spawn within an underground slime chunk as long as the Y (elevation) coordinate. Slimes have a low chance of spawning compared to all other mobs so if you havent spawnproofed EVERYTHING, they will barely spawn. 17 to 1. theRealBassist • 21 days ago. Unfortunately my chosen slime chunk is near a ravine and a massive cave system. 2. They spawn deep underground in chunks and also during the night in swamp biomes. this also adds a clientside command, slimechunkf3-seed, which can be used to configure the seed from which the mod calculates if the current chunk is a slimechunk. You’ll want to have plenty of. Best. For slimes spawning in a Swamp, they will not spawn if the light level is above 7. The world of Minecraft is split into chunks, each being a 16x16 square that extends vertically throughout the entire map. My first time playing sky factory, and trying to make this smelter, but controller won't work. No torches or anything else is placed on the ground, and it is too bright for other monsters to spawn. Slime chunks are pretty rare. gutwrenchinggore • 1 yr. Fences would stop all slimes as well as any other. Not only should you find a large enough slime chunk, but it should also meet some of the conditions listed below. 5×3 space to spawn, medium slimes require a 3×2×3 space, and small slimes require a 1×2×1 space (or 1×1×1 if the upper block is not opaque). . You can either dig it down more which I highly recommend or/and light up all caves within 128 blocks of the chunk and makes sure the block light is above 11 in the caves. 24 blocks is at the edge of CAN SPAWN range. From there, you’ll easily be able to find slimes. My conclusion is that you can have slimes spawn from below y40 all the way down to bedrock, but I need confirmation because I'm making a perimeter for a 4 chunk slime farm. Only a certain number of them can spawn in a slime chunk so nametag them to prevent despawning and hide them somewhere in the chunk to prevent new slimes from spawning in. . I think it's on the last page of config options. Ive heard somewherw that slimes dont spawn below y=37, so maybe you can try that. You may have to dig several pits before you find a Slime chunk. BubbyBoy27 I didn’t think of nearby caves so I’ll look into that, but the chunk with the slimes are fully lit up6 comments. Also, double check your seed and version on chunkbase. If you have a spawner plugin use its commands, if not you should be able to summon a spawner using either /give <player> 52:55 or else use /minecraft:give @p mob_spawner and place a slime spawn egg in the spawner while in creative. Updated the server from 1. I have lighted up whole 40x40 area, setup is at y=26; Loaded Mobs are on minimum (around 4 mobs loaded). The seed is 76007646, the desired chunk is X:6 Z:11. Might be a problem with bedrock again. 5 vertical), but may be enough less work that the increased time to get a slime spawn may be acceptable. The first step to making a slime farm is to find a slime chunk. I assume it might be the mob cap but i'm not sure how to check how many mobs are within a 128. I verified the chunk was a slime chunk through. Hey, having some trouble finding a slime chunk, wondering if any of the mods have any impact on slime chunks that I should know of or else I’m just being super unlucky… Archived post. So i created a Aternos server in minecraft version 1. A slime will split into two smaller slimes when killed unless the slime is already the smallest size. Slimes basically only spawn in swamps due to low y level, and only in slime chunks. However, like lotus49 said, a slime farm does not need to be perfect to be more than adequate. Hard to light it all up to -64. It is just regular mob spawning that triggers on the island, meaning you are probably just hitting mob cap/too close to the island when not at cap. Also, slime don't spawn if you're near that chunk. Slimes will only spawn in chunks that are at least 16x16 blocks and at most 24x24 blocks. #1. Make slimes spawn in dripstone caves. You just might have to dig up a lot more spawning platforms than pre 1. No slimes ever spawned. class file into your minecraft. Chunkbase also failed to correctly identify slime chunks in my current 1. Slime ranching can be done with relative ease using decently lit areas to prevent other mobs from reducing the spawning rate of slimes. The easiest way to stop Slime chunks from spawning Slimes is using the commands suite to disable such activities. ago. Slime farm not spawning a single slime! So I made this farm from a YT video at the bottom and not a single slime has spawned in the several hours that I was AFKing. Slime make a distinctive squelching noise when they bounce, so you’ll know when one is near. Once you find a slime, note the location, you know they can spawn in that chunk. try clearing up the "roof" (remove all blocks above your farm)Slimes are bouncy, cube-shaped hostile mobs that spawn deep underground in particular chunks, or on the surface in swamp biomes. No mobs spawn, slimes don't even spawn at all on slime chunks. It might help to include pictures of the farm. During construction of the pads, there were a couple of skeletons, zombies, and a creeper, but nothing. ago. 2. I found a slime chunk right inside my straight mine so I dug out a 16x16x3 chunk at level 19 and coordinates 71 19 -120. 4 version (Spigot) I have setup for slime farm, but Slimes are not spawning. Within slime chunks, slimes can spawn when Y < 40. I'll give it a try. ) I know its a slime chunk as I've seen a medium slime spawning in the region, And I've cleared a 130x130 size area for them to. A chunk in Minecraft is a 16 x 16 area of blocks on the horizontal axis. #1. Use the gate, hit the first slime with the model to make a slime model, throw it in the deep learner on your hotbar, then kill all the slimes. Slimes also spawn in slime chunks. If the farm is in the spawn chunks, there might not be a suitable place for the farm where slimes won't spawn. 1. On average about 1 in every 10 chunks is a slime chunk, so a 4x4 chunk area should give you enough chunks to include at least one. 1. But I'd go on chunkbase, find a slime chunk instead and dig it out. Because you most likely didnt spawn proof the rest of the area around the farm in a 128 block sphere radius. The server's render distance should be (sqrt. Valhelsia 3. All sizes of slimes are hostile. Actually, I think you're reading that wrong. The killing area is at y=17 and my afk area is at y=140. In Minecraft, there is a certain limit to how many mobs can spawn in an area. Tiny slimes will spawn once you're more than 23 blocks away if it's a slime chunk. Doesn't have to be a swamp. Works fine; there are slimes spawning there if I wait at the appropriate distance for 5 minutes or so (during the day. I have explored a swamp biome a lot (not during a new moon) and also I have dug out an area of 4 chunks and according to AMIDST, 3 of them are slime chunks. It's not a slime spawner, it's a slime chunk (technically two right next to each other). Hello :): ftb pink slimeHello :): ftb pink slime Slime pink minecraft skin urlSlime rancher. Simply select your current version (such as Java 1. 18, changing it so most hostile overworld mobs need light level 0 to spawn, but slimes still spawn at levels up to 7. Find a dark spot. More precisely, these mobs can appear in “slime chunks” below layer 40. The swamp is a biome where you can get slimes with a high probability. The easiest way I found to stop slimes from spawning in bedrock edition is to make the floor out of some kind of glass that does include tinted glass so any type of glass. To see the chunk that you are in, you can. As a remedy i have used a spawner with a slime egg, taking advantage of extended possibilities, but slims WONT spawn. Im playing on a smp server, difficulty hard. Go underground until you arrive at Y40, then dig a 20-block-deep 16x16 chamber. I build mine mostly below 0. Valhelsia 3 Slime Chunks. if you didnt miss a slime chunk it could be that the video you used is actualy showing you a farm that no. The more spawn pads you can put in, the more slimes you will get. They will only spawn if you are within 16 to 144 blocks. The two spawn conditions require different heights: - Swamp Biome: 51-69. The space they spawn in must also be clear of solid obstructions and liquids. Yes, down to Y0, no light, slime chunk on chunkbase. 19] [Java] Made 2 rooms on y 37 and y -3, y 37 has light level 1 everywhere, y -3 has more light. They spawn frequently in the same place in singleplayer. The middle coordinate will show your vertical position. ) Why are slimes not spawning? AskAbout. The second way to find slimes is to head to a swamp biome. Slimes spawn in the Overworld in specific chunks below layer 40 regardless of light levels. (Use your wooden axe) 2 - Run the command /rg define <name>. Out of all the chunks, about one in ten will be a slime chunk. Chunks are 16x16 blocks wide (x and z axis) and 256 blocks high (y axis). As mentioned before, use a slime in a bucket. Slime Spawn Mechanic. Slimes can spawn in any light level, so having your area well-lit will not stop them. I would suggest calculating the centre block in the hole you have dug in the slime chunk (in terms of x and z only, y should be the base of the farm). Three: To make sure that there is enough space to actually spawn the slimes, as hostile mobs do not. If the farm is in the spawn chunks, there might not be a suitable place for the farm where slimes won't spawn. Maybe I need to put more info in my description. To clear an area for your slime farm, you will want to remove every block in the chunk below Y=40. In Minecraft, Slimes only appear in certain chunks. The easiest way to stop Slime chunks from spawning Slimes is using the commands suite to disable such activities. Visualize Chunk Borders: To determine chunk borders, use the F3+G keyboard shortcut in Java Edition. Only this time, no matter what I did, slime would never spawn. Go underground until you arrive at Y40, then dig a 20-block-deep 16x16 chamber. This will display the gridlines separating each chunk, making it easier to identify potential slime chunks. His farm is in a Slime chunk though which should always spawn slimes. They are pretty easy to kill too, and if a large Slime (larger than 1) is killed, it spawns between two and. Also, slime don't spawn if you're near that chunk. 19. The most efficient way to find a slime chunk is to go underground below Y-40 and create tunnels big enough to spawn small and medium slimes. 10% of all chunks in your world are slime chunks. Every mob, including slimes, has the same chance. Just make sure you are below Y40 and the light levels are as low as possible. Additionally, the three sizes of slimes require. For one, pandas are a rare mob that only spawn in bamboo jungles in Minecraft, and for two, breeding pandas is a lot of effort compared to just finding a slime chunk that spawns slimes. They can also spawn in swamp biomes between layers 51 and 69 (inclusive) in light levels of 7 or less, with these layers tending to be near the surface. 6. Although this doesn't stop slime from spawning, it at least. the software i use only has up to 1. Superb-Log-5144. New moon won’t get you much of anything. I then added sugar, clocks, wool, chorus fruit, a nether star, a comparator, and a dragon egg to the spawner but nothing spawns from it. Slimes spawn in the Overworld in specific chunks below layer 40 regardless of light levels. On the debug screen, the value shown for MultiplayerChunkCache should tell you the server's render distance; if it's less than 441, it's probably too low. Oct 28, 2020. Even on Easy you get a couple slimes per minute in a properly prepared farm with correctly spawnproofed area. Slimes can spawn at any light level inside a slime chunk below height level 40. Slimes can spawn regardless of light levels, other mobs can not, this will ensure that the only mob spawning is a slime. 1. Since slimes in slime chunks spawn below Y=40, regardless of the light level, in classic superflat worlds (top layer Y=4) there are always an awful lot of slimes which are really annoying and can sometimes. Now I'll admit that I haven't lit up all the caves around the farm, but at least 70% are lit up, even then it shouldn't make that big of a difference, yet no slimes are spawning at all. There is a 3 chunk x 1 chunk that spawns slimes. Yes, it's slime chunk (checked for 5 times) Stood more then 24 blocks away, but less than 128. Here's the one I have built most recently in 2 diagonally adjacent slime chunks. In Minecraft, not every chunk is a slime chunk. However, just as with other mobs, slimes require an opaque block to spawn on top of. Try moving a lil bit farther away, like 60-70 blocks. I am pretty sure you could use torches around your base or put torches on the slime spawner. Use slime minions to spawn them. Here is an example I built in my SSP world in 2 diagonally adjacent slime chunks. Clearing two high will cause attempted spawns of large slime to fail (they need a minimum of 2. Try having many spawn layers from levels 0-40. Slimes spawn in specific “slime chunks” in the Overworld below layer 40. 16. There is an option to show slime chunks in the minimap settings btw. as far as i know I’m doing everything right, ive lit up surrounding caves and my afk spot is at. Make sure your mob cap is not being filled by other hostile mobs. The over abundance of slimes spawning regardless of light can make underground builds annoying to maintain if players unknowingly set up a base in a slime chunk. The light level requirement for slime spawning in swamps is different from that of most hostile mobs, which spawn only at light level 0. I once experimented this hard way. • 19 min. 8. Only this time, no matter what I did, slime would never spawn. If you do this in a corner and AFK at the top for awhile, you can just look down and see any slimes through your. or: swamp biome, layer 51 through 69, light level 7 or less. You also could switch to peaceful for a sec to empty the mobcap and then switch to another difficulty again and you should see some slimes spawning. Java version 1. Slimes spawn in areas below layer 40, and also spawn on the surface of swamps during the night, depending on the phase of the moon. Slimes spawn in the Overworld in specific "slime chunks" below layer 40 regardless of light levels. I am also searching for layers 70-50, which I believe they spawn there in swamps. Swamps would have a higher chance to have slime caves underneath, but slime caves could spawn in any spot whether there's a. 14. It's about 5 chunks away from land to avoid hostile mobs spawning in nearby caves preventing the slime from spawning. The slime chunks are specific chunks that are rare and consist of only 10% of Minecraft world chunks. Max Mob Limit in the Surrounding Area. You have NOt spawnproofed 128 blocks in all directions. Doing this will leave some room for slimes to spawn on. One chunk is 16X16 blocks. Cypher_Xero. #15. Mobs only spawn until mob cap is reached (70 on single player). If you're ≈20 blocks ftom that chunk, they'll spawn. So a crude test to see if there's no slime spawning at all would be to find a slime chunk, remove all blocks around it (within the server's view distance), create a floor at y=0, light it up and wait for spawns. Find a slime chunk close by. They spawn below y=40 or between y=51-69 if in a swamp biome (but light level should be 7 or less) and it can’t be a new moon. Fill layers 20 to 64 with blocks (for example, you can also choose another amount of layers) Count again how many slimes spawn in the same. SupremeOwl48. ago. Here are some reasons why they won’t spawn: Max Mob Limit in the Surrounding Area. Here are some reasons why they won’t spawn: Max Mob Limit in the Surrounding Area. Mobs can't spawn within 24 blocks of the player, so by afking in the corner you lose a lot of spawning space. Slimes randomly jump around when idle, however, if. Slime chunks are not. Slimes are Hostile Mobs added in Update 0. Secondly, light levels do not affect slime spawning in these designated slime. This will display the gridlines separating each chunk, making it easier to identify potential slime. Only this time, no matter what I did, slime would never spawn. Chunks are 16x16 blocks wide (x and z axis) and 256 blocks high (y axis). "4. minecraft-java-edition; Share. If no Slimes appear, it may be due to the chunk not being a Slime chunk. I take a look at the way slime spawn in Minecraft Java 1. 5 from 1. Slimes are not like other mobs. The balls can then be used to summon a slime through nature auras and farmed through mob grind utils or rftools. This can significantly affect the number of slimes that will spawn in a chunk. TL;DR; Use 2 repeating command blocks which contains the following: /kill @e [type=minecraft:slime] /kill @e [type=minecraft:item,name=Slimeball] Apart from @ExpertCoder14 's answer, you can also use another repeating command block with /kill @e [type=minecraft:slime]. Even when you spawnproof a lot, a single chunk can still be very slow, also; slimes can also despawn. Find a dark spot. If the dug out area is only the 16 blocks in the chunk, there is a chance that if you widen the spawning platform by 2-3 blocks (use glass or leaf blocks for the floor in those spots) that that will allow for improved rates and possibly more large slimes. Nov 26th 2020. If you have any idea, please tell me. 18 (only 400 blocks around spawn is loaded in 1. With their noise, numbers and ease of spawning, I'm about ready to pull my hair out from frustration. Slimes basically only spawn in swamps due to low y level, and only in slime chunks. 17) on the chunkbase. Seems the slimes have a hard time spawning in my multiple worlds as well. There is a 2x1 slime chunks. – dly. There is a bug where it runs the spawn cycle for slimes twice. Easiest way. This is why I'm asking if string will stop slime spawns. 13. Has anyone had any luck using the mini-map slime chunks, and if not what did you do?I have chosen 2 chunks next to each other to build the spawning pads, and used an non-slime chunk in front of them as the collection/lookout are. My doubles chunk slime traps worked fine in early game, i now use single chunks in my perimiters. TY!Why are slimes not spawning?Jul 2, 2019Slimes are shy - they won’t spawn if other mobs are nearby. For reference, sea level is at the 65th layer. These work the same in Java and Bedrock. Dig down two more levels. ago. Most Slime farms have a minimum of 4 and usually a LOT more than that. I started at y-59 and noticed they weren't there so I went back up to y0 and tried all levels to y7 without results. I'm not sure the issue. Since spawn rates of slime are not affected by the light levels of a slime chunk, players can use torches to increase light levels and prevent other mobs from spawning. . Dig straight down one block away from the slime chunk (a vertical column that cannot spawn slimes but is adjacent to a vertical column that can spawn slimes, which is part of your slime spawning pads) and place ladders down. ) Now light up those spawn pads. Only mob that. EDIT: If you only want. Bethylee • 2 mo. Cover the ground in carpet, slabs, buttons, trap doors or any other non-spawnable blocks in the slime chunks. Lit up the area to avoid other mobs spawning. It must be night and the light level must not exceed 8. you need to be further out. Slimes spawn less frequently than other hostile mobs, given identical ideal spawning conditions. Only sizes 1, 2, and 4 spawn naturally. 4. ago. I think you could make a dough and lime dye slime farm faster than both, but it’d be. Chunks are 16x16 blocks wide (x and z axis) and 256 blocks high (y axis). Tried making a slime farm but it isnt working. There are several reasons why Slimes may not be spawning in Slime Chunks, such as: Incorrect Chunk: Slimes will spawn only in certain chunks. As the title suggests, I was attempting to build a slime farm on a multiplayer survival server (Vanilla, Spigot 1. Yeah, it doesn't spawn slime on aternos servers for some reason. I already had a slime chunk slime farm, and used the mushrooms to redo the lighting instead of making a swamp farm. Also be sure that your simulation distance is set to 4, you can choose this when creating a world or change this in the world settings. 16. As mentioned, slimes spawn from y=0 -> y=40 in a slime chunk. One: large slimes need at least 4 blocks of vertical space in order to move at top speed, allowing them to be lured into traps easier. The slime chunk algorithm in Bedrock Edition is different from in Java Edition. If and when you find a slime underground, it must have spawned in a slime chunk, so press F3 + G (on. I'm digging out an area which should be a slime chunk to build a slime farm but so far no slime have spawned. None yet. Slimes aren't spawning in slime chunks, unless the spawning mechanics changed. So it's a full 16x32 block space that spawns them, and torches have no effect. Its next to the void. ive tried different slime chunks and lighting caves but no slime spawns. The spawn rate is equal on those layers. 3 - Modify the deny-spawn flag. . I suggest Checking the wiki for more info. I know you can use slabs and/or other methods, but these usually look rather bad, and I need at least my top part to look half clean. What's more salient, though, is if non-slimes are spawning and you're not killing them off that reduces slime spawns even. com can help you find an active slime chunk. Here are some things I tried to make it work:• to light up as many caves as I could. Reply reply [deleted] • I’m not 100% sure but i think moon cycles only affect slime spawning in swamps, and slimes don’t spawn further down, it just needs to be <y40. Also rooms are 3 blocks height. There are literally dozens of levels below where slimes are probably spawning (IF that is actually even a slime chunk at all). 18 (only 400 blocks around spawn is loaded in 1. They can also spawn in swamp biomes between layers 50 and 70 in light levels of 7 or less. 8 slime spawning bug, this is almost a must). The slime. Do /kill @e[type=minecraft:slime] to kill all slimes. Not possible because slimes only spawn in slime producing chunks. So I tried placing them in multiple areas around the world and they didn't work either. Recently I used chunkbase to locate a slime chunk and dug the area out for the slime farm I'm planning on making. Thats a slime chunk and has nothing to do with swamps. When in a swamp area, slimes will appear between the 50th layer and the 70th layer. If all those things dont work, try making the ceiling 1 block higher. You need to be at height 11 for slime to spawn and they usually spawn during night. However, slime chunks only allow.