Secret box codes are tied to time-limited celebration events. If the event window has closed, the code will register as expired or invalid.
If you are playing on an Android device or using the official Netmarble PC client, you can clear these boxes directly from your game application interface: Launch .
For players who still have these Secret Boxes in their inventory or are simply curious, here are the five codes (passwords) that worked to open the : 7ds grand cross 35 anniversary box code work
Redeeming these codes is different from regular coupon codes. You need to use the . Open the Game: Launch The Seven Deadly Sins: Grand Cross .
: Log into the game and tap the Mail icon in the top-right corner. Secret box codes are tied to time-limited celebration events
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Note: These codes are historically associated with the 3.5 anniversary event. While some coupon codes in 7DS are active for long periods, these specific secret box codes may only work during the designated "3.5th Anniversary Eve/Special" celebration periods. Secret Box Codes (Order Matters): Source GC3halffesta Source fiatlux Source Peccatum1866 Source royalblood Source Alternative 3.5th Anniversary Coupon: For players who still have these Secret Boxes
Diamonds, SSR Evolution Pendants, and Super Awakening Coins.
The Seven Deadly Sins: Grand Cross (7DS) is notorious for holding massive, generous anniversary celebrations. Among these, the event often brings special Box Codes that grant players tons of free, high-value resources. Whether you are returning to the game or a dedicated player, finding working codes is crucial to strengthening your team.