Once the website says "Success," the items are not instantly added to your inventory.
If you have a valid 3.5 Anniversary Box code (from the physical box):
⚠️ Expiration: These codes often expire 6–12 months after the box’s release. As of 2026, most 3.5 Anniversary codes are likely dead unless unused ones are found from unopened boxes.
Please confirm:
While the specific "35th Anniversary" likely refers to the 3.5th Anniversary Ultimate Festival 7ds grand cross 35 anniversary box code work
from late 2022, here is a breakdown of the codes that were historically used for those secret boxes and the latest 7th-anniversary rewards as of April 2026. 3.5th Anniversary Box Codes (Historical)
The 3.5th Anniversary featured a series of secret boxes that required specific text codes to open from your inventory. While many of these are now expired, these were the verified codes released during that event: GC3halffesta Peccatum1866 royalblood THE1ULTIMATE (Limited first-come, first-serve code) Netmarble Forums Current Working Codes (April 2026)
If you are looking for codes that work right now for the ongoing 7th Anniversary celebrations, try these active gift codes: 777OURSPRING
: Provides the "Our Seventh Spring Box" or 10 SSR Enhancement Potions. 777NIGHTMARE : Grants 77 SSR Evolution Pendants. 777INFINITE : Grants 100 Super Awakening Coins. 7DSTGS2025 : General anniversary rewards. LIGHTNDARK : Grants 30 Diamonds. How to Redeem Secret Boxes : Go to your , collect the item, then navigate to Item Storage . Select the Secret Box and enter the code. Standard Coupons : You can use the Official 7DS Coupon Page by entering your server and member code (PID). Once the website says "Success," the items are
Headline: 🎉 HUGE NEWS: 3.5 Anniversary Box Code is WORKING! 🎉
Heads up, Seven Deadly Sins Grand Cross players! 📢
The highly anticipated code for the 3.5 Anniversary Box is finally live and fully operational! If you haven't redeemed it yet, now is the time to log in and grab your rewards.
What’s inside? Prepare for a massive haul of gems, evolution materials, and exclusive anniversary goodies to help you summon on the current banner! ✨ ⚠️ Expiration: These codes often expire 6–12 months
How to redeem: 1️⃣ Open the game and head to the settings/enter code menu. 2️⃣ Type in the code (Check the official announcement for the exact code if it varies by region!). 3️⃣ Enjoy your rewards!
Huge thanks to the devs for sorting out the issues. Happy summoning, everyone! Good luck with your pulls! 🍀🔥
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