Claim every working Operation One code here when they become available to help your progress in-game.

Operation One is a Roblox tactical first-person shooter where teams of attackers and defenders use strategy, gadgets, and teamwork to complete objectives. The game emphasizes close-quarters combat, breaching defenses, and gathering intelligence to outsmart the opposing team.
There are currently no active codes available that you can redeem for rewards.
There are no expired codes for Operation One.
When codes become available, you can redeem them easily in Operation One by following these steps:
Launch Operation One in Roblox.
Tap the cogwheel button in the top-right corner of the screen.
Type a code into the 'xxxx-xxxx-xxxx' text box on the left.
Tap 'Redeem Gift Code' to claim your reward.

If you experience any issues inputting a code, check that it hasn't expired and that you have entered it correctly - keep in mind that codes are sometimes case-sensitive so it is recommended that you copy and paste the code whenever possible.
If you find the code isn't working, it could be due to any of the following reasons.
A few Roblox games that have recently dropped fresh codes include Genshin Impact, Clover Retribution, Dress To Impress, Palmon Survival, and FC Mobile.
We've also checked some of the most popular Roblox games for new codes recently, including Idle Heroes, Solo Leveling: ARISE, and Roblox Kaizen.
Find even more Roblox Redeem Codes here to grab the latest freebies before they expire.
Game codes can be released at any time, which can make them easy to miss. Luckily, there are a few things you can do to make sure you catch them as soon as they're available.
These include engaging with the game's community by following the developers' Roblox Group and regularly checking the game's Discord page. You can also get the latest stats on the game on their RoMonitor page.
If this page helped you out, feel free to bookmark it so you can easily come back for more codes later.