Netmarble frequently celebrates major milestones in The Seven Deadly Sins: Grand Cross by gifting players special reward boxes. During the 3.5 Anniversary global celebration, players received a dedicated celebratory item box in their in-game mailbox. To open these specific event boxes, the game requires you to input a secret alphanumeric password. The Official 3.5 Anniversary Box Code
: The codes are typically scattered across official livestreams, Netmarble Developer Forums , or social media teasers.
Open your browser and navigate to the official Netmarble 7DS Coupon Page . 7ds grand cross 35 anniversary box code work
Mobile game The Seven Deadly Sins: Grand Cross (hereafter 7DSGC ) regularly releases collaboration and anniversary events. Physical “box” editions sold via retail or online stores typically include exclusive in-game currency, costumes, or SSR heroes via one-time-use codes. A hypothetical “35th Anniversary Box” would require careful design to avoid exploitation (e.g., code brute-forcing, resale fraud) while maximizing player satisfaction.
: Navigate to the main tavern screen, open your Menu , and select Item Storage . The Official 3
Retrieve your (found in-game under Menu > Player Info > Info ). Select your active game server (Global, Asia, or Europe). Paste your Peer ID and enter the coupon box code.
You must enter the secret box codes in the correct order to unlock the subsequent boxes. Physical “box” editions sold via retail or online
The "7DS Grand Cross 3.5th Anniversary" was a major milestone event featuring the "The Ultimate One" festival . During this period, Netmarble released several to provide players with valuable growth materials and exclusive rewards. 3.5th Anniversary Secret Box Codes
These boxes could not be opened right away. They required an alphanumeric key or password.
: Navigate to your inventory and select the 1-Use tab.