# Ninja Cat - Idle Arena — Crazy Chest-opening Idle RPG

> Idle RPG with chest opening, arena battles, and auto-combat progression. (iPhone/iPad app by Nox(HongKong) Limited.)

- Source: https://appshunter.io/ios/app/ninja-cat-idle-arena/id6447184763 (this page in markdown: same URL + `.md`)
- Developer: [Nox(HongKong) Limited](https://appshunter.io/developer/1467860043)
- Category: Games, Casual, Role Playing
- Price: Free with in-app purchases
- Rating: 4.30/5 from 33 App Store ratings · 12 written reviews indexed
- Age rating: 9+
- Requires: iOS 11.0 · 228 MB
- Languages: American English, Japanese, Korean, Chinese (Simplified, China), European Spanish, Thai, Chinese (Traditional, Taiwan), Vietnamese
- Released: 2023-05-03
- Data updated: 2026-09-06
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/ninja-cat-idle-arena/id6447184763/reviews.md

## What is Ninja Cat?

Looking for an exciting and fun RPG game to play? Your search is over, Ninja Cat, the action-packed adventure game that has it all!

Ninja Cat - Idle Arena is an Idle RPG that combines elements of arena battles and online idle RPG games. It boasts an excellent item system, with hundreds of equipment, mounts, and weapons available at different levels.

With its special chest-opening system and idle clicker gameplay, you can continuously acquire better equipment and improve your character's attack power, health points, recovery, and speed. This makes your adventure in the game much easier.

【Game Features】
1. Special Chest-opening System. The character level, coins, equipment, and weapons all came from the exciting chest opening. Let’s find out if you are the chosen one!
2. RPG Adventure Battles. Defeat powerful enemies and complete endless chapters to get various rewards.
MVP Arena for Top Players! Players with Lv.100 and above will fight in special MVP Arena and find out the champion!
3. Territory Battle. Fight and defeat enemies in the different 【Territory】and collect more resources to improve your strength
4. RPG Progression & Strategy. Set your character growth strategy by improving different character attributes through equipment, mounts, and companions.
5. Idle Auto-Battle. The character will automatically battle whether in adventure or PVP combat. 
6. Endless Fun Games in the future. Ninja Cat - Idle Arena will open dungeon mode, social mode, and union mode in the future to make the game more interesting.

If you enjoy idle clicker, level-up games, action RPGs, and role-playing games, then don't miss out on Ninja Cat - Idle Arena, one of the most epic games available for free. Enjoy the thrilling idle adventure!

If you have any questions, problems, or suggestions, please contact us：
Email：ninjacat@noxjoy.com
Facebook: https://www.facebook.com/NinjaCatGameOnline

## Key features

- Chest-opening system for loot
- RPG adventure battles
- MVP Arena for top players
- Territory battles
- Idle auto-battle gameplay
- Character progression and strategy

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Diamond Purchase | $0.99 | one-time |
| Diamond Purchase | $4.99 | one-time |
| Diamond Purchase | $9.99 | one-time |
| Diamond Purchase | $49.99 | one-time |
| Diamond Purchase | $19.99 | one-time |
| Diamond Purchase | $99.99 | one-time |
| Character Growth Package | $12.99 | one-time |
| Premium Monthly Card | $9.99 | one-time |
| Permanent Card | $29.99 | one-time |
| Beginner Gift Pack | $0.49 | one-time |
| Special Wings Pack | $9.99 | one-time |
| Beginner Helmet Pack | $0.99 | one-time |
| Beginner Pants Pack | $4.99 | one-time |
| Beginner Weapon Pack | $19.99 | one-time |
| Beginner Resource Pack | $29.99 | one-time |
| Beginner Skin Pack | $49.99 | one-time |
| Limited_Supply_Pack_4 | $9.99 | one-time |
| Limited_Supply_Pack_3 | $4.99 | one-time |
| Daily Fishing Pack 1 | $2.99 | one-time |
| Daily Fishing Pack 2 | $4.99 | one-time |


## Recent user reviews (10 of 12)

All indexed reviews: https://appshunter.io/ios/app/ninja-cat-idle-arena/id6447184763/reviews.md

### 1/5 — Game won’t even load

*2025-08-15*

No point in downloading, game won’t even load. Keeps saying it’s a connection issue even though the Wi-Fi signal is strong.

### 5/5 — グット

*2024-10-22*

楽しい

### 5/5 — 수족관 보관함 업글 2렙

*2023-11-20*

2렙에서 안올라가는데 어떡하나요?

### 1/5 — ﾈｺﾆﾝｼﾞｬ

*2023-11-16*

宝箱の入手方法が簡単過ぎてﾔﾊﾞｽｷﾞ

### 1/5 — Admin bakaaaa

*2023-11-02*

Lỗi bug đéo sửa được đi khoá acc. Baka admin

### 5/5 — 재밌어요!!!!

*2023-10-10*

무한대로 보물상자 뽑을수 있고 냥코 키우고!!! 넘 재밌어요!!!

### 1/5 — 별한개도 아깝다

*2023-10-10*

광고 보상 주기 싫으면 주지마라
마지막 5초 남기고 안넘어감 
개쓰래기같은게임  한두번도 아니고

### 5/5 — 忍者猫

*2023-09-29*

最高

### 5/5 — ネコ忍者

*2023-09-26*

楽しい

### 5/5 — Hay

*2023-08-25*

Game chill

## Frequently asked questions about Ninja Cat

### What is Ninja Cat - Idle Arena?

Ninja Cat - Idle Arena is an idle RPG that combines arena battles with a special chest-opening system. Players acquire equipment and level up their characters through automatic battles and strategic progression.

### How does the chest-opening system work in Ninja Cat - Idle Arena?

The chest-opening system is central to acquiring character levels, coins, equipment, and weapons. It's a core mechanic for improving your character's stats and advancing in the game.

### Can I play Ninja Cat - Idle Arena offline?

The description focuses on online idle RPG elements and PVP combat, suggesting an internet connection is likely required for full functionality, especially for features like the MVP Arena and Territory Battles.

### What are the future game modes planned for Ninja Cat - Idle Arena?

Future updates are planned to include dungeon mode, social mode, and union mode, aiming to enhance the game's interest and engagement for players.

### Does Ninja Cat - Idle Arena have ads?

Yes, Ninja Cat - Idle Arena contains advertisements, as indicated by the 'hasAds' flag. These ads may be displayed during gameplay or within menus.

### What is the age rating for Ninja Cat - Idle Arena?

Ninja Cat - Idle Arena has an age rating of 9+, making it suitable for younger players and above.

### How often is Ninja Cat - Idle Arena updated?

The game was last updated on January 2, 2024, with version 1.8.3. This indicates a relatively recent update, suggesting ongoing development and support.

### What devices can I play Ninja Cat - Idle Arena on?

Ninja Cat - Idle Arena is supported on iPhone and iPod devices, as specified in the application data.

## Version history (last 5 releases)

### 1.8.3 — 2024-01-02

Fix bugs

### 1.8.2 — 2023-12-28

Optimize Territory and More New Levels to Unlock!
1. You can collect Pet egg fragments and Bread in a new-designed Territory!
2. Collecting time in Territory is shortened, you can get more resources so quickly!

3. Brand-new levels up to Map 10-40 are available for you to challenge!
4. Fix bugs and improve gaming experience

### 1.8.1 — 2023-12-06

1. Unlock New Fishing Area, join a wonderful Fishing Week! Take your fishing rod to the romantic Xingmian Beach. More beautiful fish species are waiting for you to catch, and a bunch of fishing orders are waiting for you to complete!
2. Bugs fixed

### 1.8.0 — 2023-12-04

1. Christmas Event with Xmas skins and a bunch of in-game props!
2. Bugs fixed

### 1.7.9 — 2023-11-29

Brand-new Pets are waiting for you! 4 new S-level pets have been added to unlock stronger combat assistance skills!

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All apps by Nox(HongKong) Limited: https://appshunter.io/developer/1467860043

## Related topics

[idle arena rpg](https://appshunter.io/ios/topics/idle-arena-rpg)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-06.*