Seven Knights Idle is Netmarble idle RPG spinoff of the long-running Seven Knights franchise. Codes award Rubies, the premium currency, plus hero summon tickets, gold, and upgrade materials. A typical code gives 100-300 Rubies, and while that does not sound like much, catching every code over several months adds up to a real summoning stockpile. The code system is straightforward: Netmarble posts codes, you redeem them in the settings menu, they last 1-4 weeks. The hard part is knowing where Netmarble posts them.
As an idle game, Seven Knights Idle is played almost exclusively on mobile. Your heroes auto-battle while the app is closed. You check in three or four times a day on your phone, collect idle rewards, spend stamina, and close the app. Codes are redeemed in the in-game Settings menu on both iOS and Android. The entire code ecosystem revolves around catching Netmarble posts on social media apps you are already scrolling through on your phone, which makes code hunting for an idle game surprisingly convenient.
Netmarble distributes Seven Knights Idle codes through a specific set of channels, and the priority order matters. Fastest: the in-game notice board. After every update or maintenance, the notice board gets a post with any new codes. Check it the moment you log in post-update. Second: official Seven Knights Idle Facebook and Twitter/X accounts. Netmarble is active on both, posting codes alongside update announcements and event teasers. Follow both and turn on notifications. Third: the broader Seven Knights franchise accounts. When the franchise hits a milestone, anniversary of the original game launch for example, codes often drop across multiple Seven Knights titles simultaneously, including Idle. If you only follow the Idle-specific accounts, you miss franchise-wide code drops. Fourth: community Discord servers. Unofficial but fast, players share codes within minutes of release. Just verify before redeeming because trolls occasionally post fake codes in community servers.
Seven Knights Idle has separate servers: Global, Asia, Korea, and others. Codes are frequently server-specific. A code announced on the Korean server social media will not work on a Global account. This is the number one reason players think a working code is fake, they tried a code from the wrong server. When you see a code online, always check which server it is for. The code format itself does not indicate the server, so you need to verify the source. A code posted in a Korean-language tweet with a Korean server tag is not going to work on your Global account, no matter how many times you retype it.
Open Seven Knights Idle to the main lobby. Tap the Menu icon, usually three horizontal lines in the top-right corner, then tap Settings. Look for Enter Coupon Code or Redeem Code near the bottom of the Settings panel. Type or paste the code exactly, capitalization and hyphens matter. Tap Confirm. Rewards go to your in-game mailbox, not directly to your inventory. This is important: code rewards sit in your mailbox and will expire if unclaimed, usually after 7-30 days depending on the reward type. Make it a habit to redeem the code, then immediately open your mailbox and claim the reward. Two extra taps, five seconds, and you never lose a code reward to mailbox expiration.
Netmarble is not the most predictable publisher when it comes to codes, but there are patterns. New hero launches almost always include a companion code. Major game updates, the kind that require a download from the app store, typically include a code. Collaboration events, Seven Knights Idle has done crossovers with other Netmarble IPs, are the most generous, often dropping multiple codes worth 500+ Rubies each and sometimes including exclusive hero summon tickets tied to the collaboration banner. If you only check for codes occasionally, time your checks around collaboration events. These are announced weeks in advance on official social media, and the codes drop within the first week of the event.
Wrong game: Codes for the original Seven Knights or Seven Knights 2 do not work in Seven Knights Idle. They are different games with different code databases. If a code starts with SK2 or 7K without an idle-specific prefix, it is probably for a different Seven Knights title. Wrong server: Covered above, but worth repeating because it is the most common error. Retrying expired codes: When a code says expired, it means expired. Typing it again does not un-expire it. Ignoring the mailbox: Code rewards expire if unclaimed. Redeem, then claim immediately.
đ Bookmark this page — every code above shows its source-review date. Availability can change after that review, so redeem promptly and consult the listed source for the newest status.
Each code shows where it was reported and the date we last reviewed that source. This is not a guarantee that a time-limited code still works: codes can expire without notice. Redeem promptly and consult the listed source for the newest announcement.
The code may have expired, been used previously on your account, be limited to another region or server, contain a typing error, or have reached a redemption cap. Use the Copy button, confirm your server, and check the listed source for restrictions.
We review listed sources on a regular schedule. The date beside each code is its latest source-review date. Between reviews, the fastest source is usually the game developer's official Discord, social account, livestream, or in-game notice.
Most redeem codes are single-use per account, but rules vary by game and promotion. Check the original announcement for region, account, and redemption limits.
Every entry names a traceable source, typically an official developer channel or an established gaming outlet that tracks releases. We do not use AI to generate codes, guess codes, or publish entries without a source.
Code availability changes quickly. We show the source and review date instead of hiding freshness behind a vague "updated" label.
Each listing includes its source and the date we last reviewed that source. We do not generate or guess codes.
If we cannot point to a concrete developer channel or established outlet, the code does not appear.
The date is a source-review date, not a promise that a time-limited code remains active. Check the listed source for the newest status.
If a code fails or you find a new one, email us with the original source so we can review the listing.
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