Fish Kingdoms: Idle Arena is a 3D idle RPG for casual gamers, featuring anime-style fish collection and arcade-style puzzle mechanics on iOS and Android.
Product velocity
Unknown
Daily rank 🇺🇸
—
Games
Sentiment
4.8
3k reviews
Nemesis
Dark Clan: Squad Idle RPG
The App DNA
What makes this app unique?
Users hire the app for low-stakes, automated progression that allows for character growth during AFK periods without the pressure of intense grinding.
For Casual gamers who enjoy anime-style aesthetics, idle RPG mechanics, and light puzzle-solving elements without the pressure of intense grinding.
What does it look like?
Key features
Tactile puzzle mechanic where players move pipes to detach them from locks.
Frequent free chests and summons for Epic Finlords.
Automated resource collection and character growth while AFK.
How much does it cost?
Positions as non-pay-to-win, using free summons to lower entry barriers and encourage long-term retention.
Velocity
Steady developmentShow more...
Who built it?
THE HORTOR TECHNOLOGY PTE
4 apps tracked · Games
Fish Kingdoms：Idle Games
Fatgoose Go: Merge & Story
동글동글 거위헬스장User Sentiment
What do users think recently?
How are ratings & reviews evolving?
Not enough recent reviews to extract reliable themes yet.
Read the full review analysisCompetition
Competitive landscape for Fish Kingdoms：Idle Arena
How's the Games market?
The app maintains a 4.78 rating across 2,628 iOS reviews, signaling strong initial satisfaction despite the lack of recent Android activity. The absence of Android-side ratings suggests a significant discovery gap compared to competitors with cross-platform parity.
Read the market outlookThe rivals identified
By Gameberry Studio Inc
Both apps compete for the same idle-RPG player base by offering automated progression systems and hero collection mechanics.
- Features a complex mastery tree and synergy skill linking absent in Fish Kingdoms' simpler arcade loop.
- Utilizes a robust gem guardian raid system that drives long-term retention through social competitive play.
- Offers deeper character customization through rune enhancement, providing more strategic depth than basic chest-opening mechanics.
Unlock the head-to-head verdict: where this rival wins, and where it loses.
Access the full report for freeThe Analyst's Read
Key takeaways for Fish Kingdoms：Idle Arena
Where is it heading?
The idle RPG market is consolidating around titles with high-frequency live-ops and deep social features, leaving Fish Kingdoms exposed. Without a shift to active feature development, the app will likely lose its casual-entry advantage to more aggressive entrants.
- The lack of feature updates since late 2023 suggests the app is in maintenance mode, which leaves it vulnerable to active competitors.
- The high iOS rating indicates the core arcade loop is stable, but the absence of Android-side momentum limits overall market reach.
The SWOT
- Tactile pipe-detachment puzzle provides a unique arcade hook
- Generous free-summon system lowers entry barriers
- Expansion into wearable companion apps
- B2B partnerships for anime-style educational content
Next best moves
Ship cloud-save functionality because it is a top-requested missing feature → reduce long-term player churn
+ 1 more prioritized moveThe counter-intuitive read
The app's lack of pay-to-win mechanics is a long-term vulnerability…
Read the full takeFeature gaps
Mastery trees (available in Dark Clan but absent here) +2
Since the last report: The analysis shifted from an immediate technical focus on Android deployment to a long-term retention strategy centered on progression depth and cloud-save functionality.
Bottom line
Fish Kingdoms holds its casual audience through a unique arcade hook but bleeds long-term players to deeper RPGs, so revenue growth hinges on adding strategic depth to the progression loop.
Unlock 2 critical frictions, 2 market threats, 1 more prioritized move and the analyst’s take.
Access the full report for freeReport last updated