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Idle Ninja Online puts you in charge of a ninja that grows stronger passively while offline, with experience and rewards accumulating in your absence. The core loop involves upgrading your character's stats and equipment through idle progression, supplemented by referral bonuses and time-limited events that reward returning players. Best suited for players seeking a low-maintenance RPG that requires minimal active engagement.

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
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Discord: https://discord.gg/vRbAerGB46