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Slime Castle: Idle TD RTS Game

Azur Interactive Games Limited · Games · United States store
NOT IN TOP 100 HERE
View on App Store ↗ Google Play version →
Revenue a month, worldwide EST
$54.4K
Likely $18.1K to $163.3K
▼ 1.1% in 11 days
New ratings
+15
in 9 days, 20.1K in total
Rating
4.9 of 5
8.5K ratings in this store
Countries it ranks in
5
was 2 on Oct 15, 2026

Revenue

Estimated from the grossing charts of Oct 21, 2026 in the 53 countries we track, and ratings growth on the App Store.

EST. REVENUE / MONTH · WORLDWIDE · BOTH STORES
$54.4K
Range $18.1K to $163.3K
EST. REVENUE / YEAR · WORLDWIDE
$653.3K
Both stores combined. Small app estimate, so no split per store
EST. LIFETIME DOWNLOADS
298.3K to 852.3K
Estimated from ratings count
WHERE IT EARNS · EST. / MONTH
  • Turkey #53 Games: Casual (iOS)$23.2K · 43%
  • Brazil #45 Games: Strategy (iOS)$11.5K · 21%
  • Indonesia #80 Games: Strategy (iOS)$8.9K · 16%
  • Ukraine #72 Games: Strategy (Play)$4.2K · 8%
  • Kazakhstan #64 Games: Casual (iOS)$3.6K · 7%
  • Romania #99 Games: Casual (iOS)$3.2K · 6%
HOW SURE ARE WE
Small app: combines its grossing ranks with ratings growth (679 new ratings a month on average since launch). Tested on 418 apps with verified revenue: typically off by about 2.4 times, so the range is wide. Countries we don't track (and Google Play in China, which doesn't exist) aren't included, and neither are ads or web payments. Gross revenue before store fees.
RATINGS
8.5K
AVG RATING
4.86
PRICE
Free
AGE
2.5y
LAST UPDATE
3d ago
VERSION
3.5.6
SIZE
678 MB
AGE RATING
12+

Last 29 days

From our daily snapshots of every grossing chart and daily ratings counts.

DAYS IN A GROSSING CHART
9 / 29
COUNTRIES NOW
4 (was 0)
NEW RATINGS, LAST 7 DAYS
+15
EST. REVENUE A MONTH, DAILY · BOTH STORES EST
Show daily values
Sep 24, 2026not in a grossing chart
Sep 25, 2026not in a grossing chart
Sep 26, 2026not in a grossing chart
Sep 27, 2026not in a grossing chart
Sep 28, 2026not in a grossing chart
Sep 29, 2026not in a grossing chart
Sep 30, 2026not in a grossing chart
Oct 1, 2026not in a grossing chart
Oct 2, 2026not in a grossing chart
Oct 3, 2026not in a grossing chart
Oct 4, 2026not in a grossing chart
Oct 5, 2026not in a grossing chart
Oct 6, 2026not in a grossing chart
Oct 7, 2026not in a grossing chart
Oct 8, 2026not in a grossing chart
Oct 9, 2026not in a grossing chart
Oct 10, 2026$55.1K a month
Oct 11, 2026not in a grossing chart
Oct 12, 2026$54.9K a month
Oct 13, 2026$54.9K a month
Oct 14, 2026not in a grossing chart
Oct 15, 2026$54.8K a month
Oct 16, 2026$54.7K a month
Oct 17, 2026$54.7K a month
Oct 18, 2026not in a grossing chart
Oct 19, 2026$54.5K a month
Oct 20, 2026not in a grossing chart
Oct 21, 2026$54.4K a month
Oct 22, 2026not in a grossing chart
The same estimate as the headline, saved every day. Best rank Sep 24, 2026: not ranked. Now: #67 Games: Strategy · BR.
RATINGS IN THE CORE COUNTRIES, DAILY
Show daily values
Oct 12, 202620.1K ratings
Oct 13, 202620.1K ratings
Oct 14, 202620.1K ratings
Oct 15, 202620.1K ratings
Oct 16, 202620.1K ratings
Oct 17, 202620.1K ratings
Oct 18, 202620.1K ratings
Oct 19, 202620.1K ratings
Oct 20, 202620.1K ratings
Oct 21, 202620.1K ratings
20.1K on Oct 12, 2026, 20.1K on Oct 21, 2026. New ratings track new downloads, even outside the charts.

Money and momentum

Measured from the store, not estimated.

WHAT IT CHARGES
10 purchases listed
  • Mining Slime Special Offer$4.99
  • Remove Ads$16.49
  • 5x Speed$6.29
  • Seven-day Special Event$6.29
  • Ch.1 Pack$2.49
  • Electric Slime Special Offer$24.99
  • Newbie Pack$3.79
  • Ch.2 Pack$3.90
Top in-app purchases as listed on the App Store, in local prices.
REVIEW MOMENTUM
0.8 reviews / week
  • Trendfalling
  • Recent reviews average2.8 stars
  • Recent 1 and 2 star share52%
From the latest 50 written reviews, covering 459 days.
RELEASE CADENCE
9 updates in 90 days
  • Typical gap between releases9 days
From the last 25 versions listed on the App Store.
RATING BREAKDOWN
8.5K ratings
5★93%
4★4%
3★1%
2★0%
1★2%

What users say

Latest reviews, United States App Store.

★★★★★Aug 22, 2026
Dragon Orb hoard glitching

I can’t find anywhere to report issues but the stupid orb drop will seize up with a connection symbol every other drop and will cause the ball to drop too late.

★★★★★Aug 21, 2026
It’s alright as a passive time passer.

I like playing after work to pass the time but it’s pretty pay to win based.

★★★★★Aug 10, 2026
Not a player friendly game

If you expect to get anywhere and have fun you will pay money and lots of it.. the devs don’t care about the players as recently shown with the 2nd annual celebration. What they did was add more opportunities to buy more of their nonsense. Mind you, when you buy, you’ll need to keep buying. You will get No where quickly. I’ve stuck this stupid game out for over a year just to see me wait 24 hours to do anything exponential for my account and even longer to do anything worth while for my account…. Meaning.. I’d you plan to stick with this game and spend thousands of dollars, you will see some growth quickly… if you play this game because you think it might be fun for free with free ads, you are sorely mistaken…. Expect to start doing the same stupid nonsense for years with little reward to see little growth… take it for what I say but I’ve been doing the grind and I’ve keep getting shown that all the devs care about is tricking you into buying more… eventually this game will burn out.. I personally have seen hundreds leave to what I’m explaining now… good luck, enjoy your few months, don’t buy anything and see how quickly you decide NO. But stuff and see how quickly you decide never again… only time will tell.. good luck

★★★★★Jul 31, 2026
I’m gonna sound like a shill but the ads are worth it

Now I never and I mean NEVER would say this without genuinely meaning it but this is the most surprisingly decent in-game ad system I’ve ever encountered in a mobile game. And this is coming from me, frontline soldier on the anti-ad war. Every single ad is optional. I’m certain if I wanted to I could just not see ads, but this is the only game I’ve ever tried (and I’ve tried so many lately as I’ve been recovering from surgery so my mobility has been limited the past couple months) where it feels genuinely worth it to click the ad button and then do something else for the next minute while leaving my phone muted and then when I pick it up again I’ve got a nice amount of rewards I can use to upgrade my stats or gear or what have you. The game is fun and it feels like I’m making good progress consistently (we will see how this holds up over an extended period ofc, as I’ve only been playing for a couple days). The idle rewards building up even while playing is ingenious. The different mini game things are cute (I particularly like the gigas battles now that I’ve got some power in my slime). I was surprised by the slime town thingy and it’s piqued my interest enough to try to save materials for it. Unlocking my dragon skill was also a fun surprise. This isn’t one of those gacha games where when you start they give you one of the current “best” characters or whatever to try and make newbies feel like they’re reaching longtime player level, but I think that’s for the best here. I only have two slimes right now and it doesn’t feel like I’m missing out. I don’t feel like I’m underpowered and I’m excited to eventually get more of them. The ONLY thing I would want to add, and this is purely a personal idea, is the ability to have your own sort of “player slime”. Maybe not one that can be used in the battles so it doesn’t overshadow the character slimes, but one that represents you and can be customized with different colors and accessories. That would be really neat but that’s again a personal preference cuz I’m a big fan of customizable characters haha. Genuinely would recommend. I hope the devs are having fun with it.

★★★★★Jul 16, 2026
Good game, but…

I’ll admit, after a while the gameplay gets stale. I tried redownloading the game cuz i missed it, and i cant even get pass 40% on the loading screen whenever i boot up the game

★★★★★Jun 30, 2026
Unique Gameplay.

This game is one of a kind, it offers unique gameplay, has leaderboards, and it doesn’t have forced ads. (though I can’t seem to get some things for the event to unlock an SSS slime) It lets you level up skills and slimes then start the match over being stronger. You can also unlock things in slime village to become stronger. (If you can’t get into the game at some point then try restarting your phone)

Apps like this

Same category, earning about as much.

Store screenshots

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App Store ads

Apple Search Ads this app ran in the last 90 days, from Apple's public ad repository.

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Growth research

Where this app is buying and earning its users. Each link opens pre filtered.

ASO keywords

Most repeated terms in the listing. Highlighted ones also appear in the title.

slime5enemies4forest3idle3system3battle3collect2equipment2powerful2skills2defeat2role2game2enjoy2fortress2adventure2azurgames2

What's new in 3.5.6

1. Added Endless Dark Realm 2. Added SS Equipment Abyss Set

Released May 3, 2024. Current version shipped Oct 19, 2026.

Store description

The bad humans are invading the mysterious forest! The slime kingdoms in the forest are facing a tremendous crisis! As a slime chosen by the Slime Sage, you can enhance your abilities through battles, collect legendary equipment, utilize powerful skills, defeat waves of terrifying enemies, and safeguard the peace of the forest. Once you are defeated, come back stronger! Slime Castle is a role-playing idle tower defense game. Players could enjoy an excellent role development system, countless powerful weapons, and several impressive battle scenes. ==== Game Features ==== -Auto-battle system with simple idle clicker gameplay. Enjoy a delightful time! -Many distinctive maps and different enemies with unique skills. Explore more secrets of this world!. -Flexible and diverse upgrade system. Build your exclusive fortress! -Collect mighty equipment and level up the adorable slimes. Experience an extraordinary adventure! -Abundant free rewards to claim. No need to worry about gold anymore! -Set battle strategy by combining fortress, equipments, and control enemies. Find the optimal methods to defeat your enemies! Now let‘s start the epic idle adventure and embark on the path to become the greatest Slime Hero! Experienced a problem? Got a suggestion? You can reach us at slimecastle@redtailworks.com Terms of Use: https://azurgames.com/terms-of-use/ Privacy Policy: https://azurgames.com/privacy-policy/

See this store page in another country

Prices, ranks and reviews are per country. Revenue above is already worldwide.

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