Idle Office Tycoon codes for free Diamonds in October 2025

Idle Office Tycoon codes for free Diamonds in October 2025

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.

09th Oct 2025 08:30

Images via Warrior Game

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 Wednesday, October 9th, 2025, 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: SWING Diamonds (NEW)
Android/IOS: MONDAYCORE Diamonds
Android/IOS: WOLFWOO Diamonds
Android/IOS: COOLOCT Diamonds
Android/IOS: RUA8IPZSUUXM Diamonds
Android/IOS: 79K17S76RWL6 Diamonds
Android/IOS: 2SO2MAYXAMEN Diamonds
Android/IOS: NXCMSRBO10BX Diamonds
Android/IOS: G6JRQ16ANFF9 Diamonds
Android/IOS: LEAVES Diamonds
Android/IOS: TOYONE Diamonds
Android/IOS: COSMO111 Diamonds
Android/IOS: ORANGEJ Diamonds
Android/IOS: GOODSEP Diamonds
Android/IOS: 4N8P4Q5AD37C Diamonds
Android/IOS: NW342PQ0TKV4 Diamonds
Android/IOS: F2YPGVMN45JZ Diamonds
Android/IOS: COSMONAUT Diamonds
Android/IOS: 8HSE433YSF78 Diamonds
Android/IOS: CITYCITY Diamonds
Android/IOS: PASSGAME Diamonds
Android/IOS: PIRATETIME Diamonds
Android/IOS: 100KFANS Diamonds 
Android/IOS: CODE333 Diamonds
Android/IOS: NICESEP Diamonds
Android/IOS: 3NW43JSINSQ1 Diamonds
Android/IOS: QF1UNT6MF0C4 Diamonds
Android/IOS: 2ZSF03ZZXBU9 Diamonds
Android/IOS: HZR3O886L6NH Diamonds
Android/IOS: 1LTCJA4K3C4M Diamonds
Android/IOS: GETDIAMOND Diamonds
Android/IOS: PHARAOH Diamonds

How to redeem Idle Office Tycoon codes

Image showing you 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.

Kiera Mills

About The Author

Kiera Mills

Kiera is a former GGRecon Guides Writer.

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