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Updated July 2026 · real, multi-region App Store reviews
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The verdict on

World of Slime Simulator Games

45
User verdict / 100 High confidence Divided

World of Slime Simulator Games offers a satisfying virtual slime experience for some users, but many recent reviews highlight significant issues with mandatory payments, excessive ads, and poor graphics and sound quality.

4.4★ lifetime (15,404) Free + in-app purchases since 2018 by Solid Apps Inc updated 3.7 mo ago recent negative 48% 120 reviews across 2 regions
Monetization Realism & Graphics Glitches & Performance Ads Relaxation/Satisfaction
5★49
4★12
3★13
2★10
1★59
recent reviews across 2 regions, vs the 4.4★ lifetime average

This slime simulator game aims to provide a relaxing and creative experience, allowing users to play with and create virtual slimes. While some users find it calming and enjoyable, a substantial number of recent reviews criticize its monetization model, frequent glitches, and unrealistic visuals and sounds.

What users like

  • Provides a calming and satisfying experience for some users, akin to real slime without the messR2R3R4R8
  • Allows users to create their own slimes and customize themR8R20R54R78
  • Some users report no ads or a minimal amount of adsR5R20R21R42

What users complain about

  • Many features, including most slimes and an ad-free experience, are locked behind a mandatory subscription or in-app purchases, often presented as a 'free trial' that auto-renews at a high weekly costR6R10R18R28
  • Frequent glitches, including black screens, freezing, and slimes shrinking or disappearing, disrupt gameplayR43R63R64R75
  • Graphics and slime physics are often described as unrealistic, choppy, or poor quality, contradicting advertised imagesR14R16R17R19
  • Sound quality is often criticized as unrealistic, repetitive, or unpleasant, with different slimes sounding the sameR17R57R66R69
  • Excessive and intrusive ads are a common complaint, sometimes blocking buttons or appearing frequently between actionsR43R92R129R130

Latest update · v7.42.1

What the developer says changed (the verdict above weighs this against what reviewers report):

Bug fixes and improvements

Recurring themes

Monetization negative
Many users are frustrated by the requirement to pay for most content, including slimes and an ad-free experience, often through a subscription or 'free trial' that automatically charges. They feel the app is misleadingly advertised as free.R6R10R18R28
Glitches & Performance negative
Users frequently report technical issues such as black screens after ads, the game freezing, and slimes glitching, shrinking, or disappearing, which significantly impacts the user experience. The developer notes mention 'bug fixes and improvements,' but recent reviews indicate these issues persist.R19R43R63R64
Realism & Graphics negative
Many reviewers are disappointed with the unrealistic appearance and behavior of the slimes, noting poor graphics, choppy movements, and a lack of resemblance to real slime or the app's promotional images. Some describe the slime as looking like 'wet paper' or having 'weird lines'.R14R16R17R19
Ads negative
Despite some positive reports of few ads, a significant number of users complain about frequent, intrusive, and sometimes inappropriate ads. These ads often interrupt gameplay, block screen elements, or are repetitive.R24R38R41R43
Relaxation/Satisfaction positive
A notable portion of users find the game genuinely relaxing, satisfying, and stress-reducing. They enjoy the tactile simulation of playing with slime and appreciate the ability to create custom slimes.R2R3R4R8

Who it's for

This app is for users who enjoy virtual slime simulations for stress relief and creative expression, especially those who don't mind potential in-app purchases or navigating around them R23. It might appeal to younger children . It is NOT for users expecting a completely free experience, high-fidelity graphics, realistic slime physics, or an ad-free environment R6R10R24R63.

Evidence note: The recent reviews skew heavily negative, particularly concerning monetization and technical issues, which contrasts sharply with the lifetime 4.38-star rating. This suggests a significant decline in user satisfaction or a change in the app's monetization strategy that has alienated recent users. The positive points are primarily from 5-star reviews, some of which also mention issues like ads or glitches, or are very brief.

Frequently asked

Is World of Slime Simulator Games free to play?
While the app is free to download, many users report that most content, including additional slimes and an ad-free experience, requires a subscription or in-app purchases, often presented as a 'free trial' that converts to a weekly payment of around $5 R6R10R28. Some users note you can bypass initial payment prompts by finding an 'x' button R23.
Are there many ads in the game?
Reviews are mixed regarding ads; some users report no ads or minimal ads R5R20R21R42, while a significant number complain about frequent, intrusive, and sometimes inappropriate ads that can block buttons or appear after every action R24R38R41R43.
Are the slimes realistic in the game?
Many users find the slimes unrealistic, with poor graphics, choppy movement, and a lack of authentic textures and sounds, often noting that the game does not resemble its advertisements R16R17R24.

What reviewers actually said

Built only from these 120 real reviews (foreign ones translated). Superscripts jump to the quote here. Apple has no per-review links, so [ref] opens that app's reviews on the App Store.

  1. [R2] 5/5 · US Must play: This was really a great idea because it really helped me to clam down so download it (not forcing)
  2. [R3] 5/5 · US Best game ever: So fun I can just sit here all day and play with slime it almost feels real I will rate this 5 stars
  3. [R4] 5/5 · US good app: this is really fun because he improve on your slime. I think you can pretend like feeling slime even if you’re not allowed to have slime
  4. [R8] 5/5 · US Ty: You get to play with other people and you can make your own soooooo much slime and you make money by playing with the slime even all my friends think that this game is amazing and this game made me feel so calm 5 stars
  5. [R20] 5/5 · US The best game ever: Soo like NO no ads it’s amazing and you can make your own too and play with other slimes to get coins to get other slimes soo good get it today
  6. [R54] 2/5 · US Love: Hi I love this game I used to play it when I was a kid now I have a slight slime obsession I love how you can make your own slime and choose texture and all that
  7. [R78] 5/5 · US Awesome: This game is so awesome it is very satisfying and the good thing is you can make your own slime in any kind of way you guys should definitely download this game this game is the best game ever it’s less ADS But there is only one thing wrong about it there is not a lot of types of shapes it’s just bread and other stuff but overall it is a verey good game love y’all❤️🤟💯💝😫
  8. [R5] 5/5 · US .: Alsome a LITTLE BIT of ads but alsomeee
  9. [R21] 5/5 · US Great game: The game is not bad.and it’s a fun game! And you don’t have to pay for anything.😁
  10. [R42] 4/5 · US Read before downloading pls!!!!!!!!: This game is almost trash cause it is so annoying for some reason even though it doesn’t have ads You have to use your coins to unlock lots of slimes which is annoying so I suggest not to play this annoying game thanks for reading!!!
  11. [R6] 1/5 · US It sucks: It’s dumb. go touch grass for free instead of paying 5 $ a week.
  12. [R10] 1/5 · US 😩why do you have to pay: Haven’t even get to try out the app cause I have to pay. It’s not fair.
  13. [R18] 1/5 · US Bruh u have to buy it: Make it free then I’ll play🫩
  14. [R28] 1/5 · US Horrible: Said it was free but it lied it cost $4.99 a month
  15. [R43] 3/5 · US Not that goot: Well, this game is pretty glitchy. There are some ads and what I mean by glitchy is that sometimes I click on the slime and it just shows a black screen and then I have to reload the game and it’s really annoying. It happens to me like 100 times but it’s OK and it doesn’t really have many options, and you have to pay for no ads and I think more slime options so I don’t really like i
  16. [R63] 2/5 · US I’m not happy with this…: I feel like you shouldn’t have to get a subscription because it is so misleading. The pics on the front show things that are high quality and is something I would expect out of a subscription. But instead whenever you move the slime grey lines and spots show. 4.99 is way to much for this. Also, I’ve noticed some glitches that have been happening with my slime. For exampl
  17. [R64] 4/5 · US Amazing but…………: The app is so good but I have to delete and download over and over because the screen goes black as soon as an ad finishes but over all it’s awesome 👑
  18. [R75] 5/5 · US SO AWESOME LOVE IT one thing…: This app is awesome but I don’t think it’s my iPad because it a knew iPad and here is the one problem so when I have to get add to watch to get a slime then when the add is done it’s all black and i can still hear the sound of slime but guess what? I have to delete it and then get it back and it’s really stressful and I lose all the slimes i got and the ones I made a
  19. [R14] 1/5 · US The best but: The best slime game ever it’s free and relaxing but how do you make it flat like the pictures?
  20. [R16] 1/5 · US This one game is the worst: No the reason I say that is because why does it look weirdWhat is the lines look weird and yeah I just need to fix it very much because if you don’t fix it you want to give Bad Guy feels
  21. [R17] 1/5 · US NEVER EVER GET THIS GAME!!!!!: This game absolutely SUCKS. I thought I was getting a fun relaxing game but NOOOOOOO!!!! I thought this was a game I would make slime and all the slime sound the same sound from out of ever different texture slime.
  22. [R19] 4/5 · US Really good!: This slime simulator is very satisfying! I love it! The only. Thing that could be improved though is that if you move too fast, the slime starts to look very glitchy. Other that that, I use it all the time!
  23. [R57] 1/5 · US Just terrible: The sounds dont even sound like slime and the slimes look like there glitching when you play with it
  24. [R66] 4/5 · US Bad noises😔: So, I like the slime noises but, I felt like the noises for the bread should not be slimy it should be crunchy so do something about it please 🙏🏾.
  25. [R69] 1/5 · US The slime is horrible! (Read this): I was just looking for a REAL asmr slime game when I found this one I thought Oh this will be fun! Boy I was wrong!when I joined it asked me to buy a pass so I pressed the x THEN it gave me a watery slime with no asmr!!! I do not recommend
  26. [R92] 3/5 · US Glitch Report: Please fix this add issue😭😭😭 The bottom add shower block all of the other buttons😭😭😭😭
  27. [R129] 3/5 · CA To many adds: Good game but there are lots of adds and the add is the same every time so I give it a three Hope u have a fantastic day!!
  28. [R130] 3/5 · CA Ok: This game is ok but I mean the slime looks like wet paper , no picking sounds and every time I change slime there is an ad. So annoying
  29. [R24] 1/5 · US Bad graphics: This is honestly NOT sastisfying, I do not recommend this if you’re looking for a good slime game. It’s very choppy and the ads are hay wire! Also I think premium is a little too much. I wouldn’t spend a penny on this game.
  30. [R38] 1/5 · US Wow: You need to pay and so much ads
  31. [R41] 4/5 · US Not that good: It is glitchy and there are ads but it is stress relief
  32. [R23] 5/5 · US Amazing but……: It said that I had to pay but you can get it for free if you press the x button on the top corner and then you can play for free and you have to get coins by touching the screen and then you can unlock other slimes.🙃😏

Synthesized from 120 recent App Store reviews · updated July 2026 · View on the App Store