Idle Ninja Online: NINJA AFK

Contains adsIn-app purchases
15.2K reviews
Content rating
Everyone
500K+
Downloads
Content rating
Everyone
Users Interact, In-Game Purchases (Includes Random Items)
Learn more
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About this game

🎊 Let's Celebrate Together! 5th Anniversary Festival Begins!
Experience infinite growth in Idle Ninja Online, the definitive idle RPG!
Enjoy rewards that pile up even while you're away, and endless growth with simple, easy controls.

▶️ Generous Rewards for New Ninjas
Start your fresh growth adventure on our brand-new 4th server, 'Twilight'!
Receive 50,000 Rubies every day for 7 days, plus daily special rewards and an exclusive new title!
The 'Be My Comrade' referral event has been fully revamped! Earn 50,000 Rubies per referral, along with new titles and bountiful Ruby rewards based on the number of friends you bring.

▶️ Special Welcome-Back Gifts for Returning Ninjas
Claim a total of 1,000,000 Rubies! Our new 10-day compact attendance check lets you receive rewards faster and more efficiently.
From day one, enjoy special buffs including a 200% Growth Buff — grow stronger just by idling!
The 'Rally Up! Operation Homecoming' referral event rewards you with 100,000 Rubies, new titles, and generous bonuses per referral.

▶️ Endless Growth, Even While Idle
Your ninja keeps getting stronger while you sleep, work, or play!
A true idle RPG anyone can enjoy with simple, intuitive controls.
Improved world-stage growth speed and increased EXP rewards make your idle journey smoother than ever.

▶️ A Festive 5th Anniversary Event
Unlock the 5th Anniversary Costume to bring your character to life in the village! Invite more ninjas to liven up the village and unlock even richer rewards.
Enjoy 2x Boss Dungeon rewards and up to 250% Shuriken Combo Bonus throughout the entire event period.
Dive into the Party Trip event, the expanded Chaos Rift, brand-new achievement events, and exclusive anniversary coupons!

▶️ Collect and Grow Your Own Shurikens!
Collect and level up 5 unique shurikens to build your ultimate deck.
Enhance and evolve your shurikens to create powerful synergies — then watch them automatically sweep through monsters, even while you're idling.
Experience deeper strategic growth with the revamped Transcendent 'Wind Pressure Shuriken' and balance improvements to Will-o'-Wisp, Hellfire, Earthquake, Lightning, Swamp, and more.

▶️ A Vast World and Endless Challenges
'Divine Realm - Awakened Sun' expands to Stage 999! Susanoo and the Path of Mastery grow even further.
Push the limits of your ninja in the timed dungeon 'Endless Mystic Realm', face the Higher Deity 'Immortal Tamamo', and conquer the towering Tower of Calamity!
Take on the World Boss 'Corrupted Sacred Tree of Life' and protect the ninja world.

▶️ The Joy of Growing Together with Friends
Team up with friends to hunt and grow stronger together!
Take on clan raids and enjoy a 100% Will Acquisition Boost starting from Week 2.

❤️ Official Community
Get instant-use coupons and the latest news, faster than anywhere else!
Discord: https://discord.gg/vRbAerGB46
Online multiplayer Idle AFK RPG
Updated on
Oct 6, 2026
Available on
Android, Windows*
*Powered by Intel® technology

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • This app may collect these data types
    Device or other IDs
  • Data is encrypted in transit
  • You can request that data be deleted

Ratings and reviews

13.8K reviews
Jonathan Peterson
December 7, 2021
Fun game. Well balanced and minimal ads. Slow grind but thats how all idle games are. Once you hit 500 it speeds up again for a good 200-300 levels and I would assume the same at 1000 since the new dungeon level opens then. There are some guides online. My only complaint is that the good food is locked behind rubies. Not a lot but still annoying even though I'm sitting at over 120k rubies without having paid anything. You don't really feel like you're missing out if you don't pay.
6 people found this review helpful
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UnionJam
December 30, 2021
Thanks for playing Idle Ninja Online! We'll work hard to provide a better environment for users to play our game. Don't miss out on our weekly updates!
Clay Champoux
August 21, 2021
The game is fun, but even though you level moderately quick in the beginning, it takes way too long to be able to defeat the bosses like the thunder god. I'm level 89 and only do 30% damage total. You finish the first quests super fast, then the next quests are for way higher levels. Also there is no tutorial so it's hard for new guys unless they play the game for several hours, the lack of tutorial almost made me delete the game right away. Please fix these problems.
58 people found this review helpful
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UnionJam
January 5, 2022
Thanks for playing Idle Ninja Online! We'll work hard to provide a better environment for users to play our game. Don't miss out on our weekly updates!
Darci Cowell
July 17, 2024
Sloppy game devs. So many display and functionality errors, it crashes constantly, they add stuff to event shops mid-season, prices for event passes and other packs are WAYYYY too high, $14 for a 20lvl pass?? Don't comment and tell me to send you an email. Plenty of reports in here saying you don't respond to those either (your discord is dead, and not because there aren't any players in there trying desperately to just enjoy the game for more than 5 minutes at a time.) Ignore us, we ignore you
2 people found this review helpful
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UnionJam
July 23, 2024
Hello, we hope to have the opportunity to apologize for your discomfort. Please get in touch with us through the customer service(idleninjaonlinecs@gmail.com), and we will do our best to help you solve the problem. Thank you for being so understanding, and we will strive to improve our service in the future!

What’s new

- A new Fox God, Inori Kitsune, has arrived, with new Fox God achievements
- Garden expanded with Stages 600-899, new maps, Node pages 24-25 and completion achievements
- Event Pass, VVIP Shop and new Time Deals are now open
- Water Shuriken and Electromagnetic 3rd Awakening damage increased; Poison Vine 3rd Awakening rebalanced
- Fixed bugs with buff expiration, automatic return to the Shelter and text errors
Content rating
Everyone
Users Interact, In-Game Purchases (Includes Random Items)
Learn more

App support

About the developer
(주)유니온잼
minsik@unionjam.com
대한민국 서울특별시 관악구 관악구 봉천로 408-1, 3층 제이-463호(봉천동) 08757
+82 10-4320-0377

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