Idle Office Tycoon codes for free Diamonds in September 2026
Check out all of the latest Idle Office Tycoon gift codes today right here, letting you get the latest rewards this month and boost your character with free diamonds.
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The experienced developers, Warrior Games, who focus on casual clickers, and Idle tycoons reward players with free codes for the game almost every day via their social platforms. We collate all the codes and put them into this handy guide for you every day.
As a mobile game that puts you in charge of an office building, it's up to you to bring in all of the hottest new businesses and make a successful real estate empire. I've found that Diamonds are the most useful currency - and thankfully, that's what you get from most of the codes that are added below:
Active Idle Office Tycoon codes
Check out the latest Idle Office Tycoon codes below to get free Diamonds and more. I've physically verified all the codes below in the game today on Tuesday, September 22nd, 2026, which included removing a lot of expired codes, but there is the most recent one announced on the Idle Office Tycoon Facebook page included in the list:
| Codes | Rewards |
| Android/IOS: GOLDEN919 | Diamonds (NEW) |
| Android/IOS: GREENHOUSE | Diamonds |
| Android/IOS: IDLEPUZZLE | Diamonds |
| Android/IOS: EMPIRE222 | Diamonds |
| Android/IOS: BOSSMODE26 | Diamonds |
| Android/IOS: SUPERCEO88 | Diamonds |
| Android/IOS: IDLEEMPIRE | Diamonds |
| Android/IOS: MONEYOFFICE | Diamonds |
| Android/IOS: RICHWORKS | Diamonds |
| Android/IOS: GOLDENCEO88 | Diamonds |
| Android/IOS: CITYBOSS26 | Diamonds |
| Android/IOS: TECHCITY | Diamonds |
| Android/IOS: NIGHTPUZZLE | Diamonds |
| Android/IOS: AUG22DAY | Diamonds |
| Android/IOS: TYCOONHOUSE | Diamonds |
| Android/IOS: HARBOURLIFE | Diamonds |
| Android/IOS: TAXIII | Diamonds |
| Android/IOS: IDLECEOKING | Diamonds |
| Android/IOS: MAGICMED | Diamonds |
| Android/IOS: lDLECEOKING | Diamonds |
| Android/IOS: DANCETYCOON | Diamonds |
| Android/IOS: CEOPOWER66 | Diamonds |
| Android/IOS: OFFICESUPER | Diamonds |
| Android/IOS: SUMMERSUIT | Diamonds |
| Android/IOS: MONKEYFLAG | Diamonds |
| Android/IOS: BUSINESSPRO | Diamonds |
| Android/IOS: OFFICEPOWER | Diamonds |
| Android/IOS: SUMMERBOSS | Diamonds |
| Android/IOS: STARTUPKING | Diamonds |
| Android/IOS: RICHOFFICE9 | Diamonds |
| Android/IOS: IDLEWEALTH | Diamonds |
| Android/IOS: MILLION | Diamonds |
| Android/IOS: EMPIRENEXT | Diamonds |
| Android/IOS: DREAMCASH8 | Diamonds |
| Android/IOS: EMPIREGOLD6 | Diamonds |
How to redeem Idle Office Tycoon codes
Follow our step-by-step walkthrough below to learn how to redeem Idle Office Tycoon codes, letting you get free Diamonds and more:
- Launch Idle Office Tycoon and complete the tutorial
- Click on the settings gear icon in the top right and click on the 'Gift Code' option
- Enter your code and press 'Exchange' to get the latest free rewards
And with that, you'll have all you need to get your free rewards and start progressing in Idle Office Tycoon - good luck out there!
Check out our codes homepage for more rewards in your other favourite games, including all of the latest free Bloodpoints you can get with these Dead by Daylight codes.
About The Author
Kiera Mills
Kiera is a former GGRecon Guides Writer.
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