Working Idle Ninja Codes
Last updated August 21, 2026
No working codes right now
We're tracking Idle Ninja and will list codes here the moment the developers release them. If you spot one first, send it our way below.
How to redeem codes in Idle Ninja
- Launch Idle Ninja on Roblox.
- Look for a Codes, Shop or settings button — usually on the side of the screen.
- Paste the code exactly as shown above. Codes are case-sensitive.
- Press redeem to claim your reward.
Codes expire without warning — if one fails, it was almost certainly pulled by the developer.
Found a code we're missing?
Submit it and we'll verify it before it goes live.
About Idle Ninja
⚔️ Tap to slash. 🥷 Ascend to grow stronger. 💤 Ninja keeps earning while you're away! Cut through waves of samurai, archers and oni for coins, then pour them into your katana and a city that pays you every second, even offline. 🎟️ CODE: newninja, free NEON SHINOBI skin + 25 gems! ⚔️ Custom Katanas, every blade looks different and slashes differently 🏯 Build a City, 10 buildings that earn around the clock 👹 Bosses, each with its own trick. Beat them fast for double rewards 🌍 Worlds, Grassland, Snowy Peaks, Crimson Wastes and Night Sakura 🥋 Infinite Belts, every ascension earns a belt your ninja actually wears 💎 1 IN 1,000,000,000, chase 10 rarity tiers up to Celestial. 🎁 14 Day Calendar, log in daily for a skin you cannot get any other way ⭐ Join Spiritblade Games for free gems, and drop a LIKE if you enjoy it! New game and updates regularly.