We save on diamonds and heroes.
7DS (The Seven Deadly Sins: Grand Cross) is a game for iOS and Android based on the shonen manga of the same name. It’s an RPG with turn-based combat and its own strategic battle system.
The game hosts a variety of events during which any hero or in-game resource can be obtained for free, but the developers also monetize the game directly through donations. Fortunately, 7DS offers promo codes that can help you save a little. We’ll explain them below.
Where to enter 7DS secret box codes
- The secret box is given by mail, click on its icon in the upper right corner
- Go to the Inbox tab
- Take the box
- Click on the menu button in the lower right corner of the screen, select the option to store items
- Go to the one-time use tab, click on the secret box and open it by entering the promo code
List of current and working codes for The Seven Deadly Sins: Grand Cross December 2025
- DRAWER
- ANGELOFDEATH
- TWISTEDFATE
- BROKENHEART
- 10COMMANDMENTS
- THEHOLYWAR
- 7DSDIA
Outdated codes for 7DS
- 20221124
- GC3halffesta
- 7DSNEWGIFT
- 7DSGIFT4U
- Fiatlux
- Peccatum1866
- Royalblood
- 7dstogether
- Thefestival
- thxfullcounter
- 3000dlmerci
- 7DS1Year
- dem0n
- 7dstogether (Japan)
- Theone (Japan)
- thefestival (Japan, Merlin)
- thxfullcounter (Japan, Merlin)
- welove7DS (Japan, Merlin)
- FESTAMERLIN (Japan, Merlin)
- 3000dlmerci (Japan, Merlin)
- great7ds (Japan, Merlin)
- gcfoever (Japan, Merlin)
- theone
- 7777777
- no1rpg
- comebacknow
- the1escanor
- thankyouall
- great7ds
- whatcode
- Eikthyrnir
- LOVE7DS
- 7DSFATEOFTHEGODS
- VOTE7DS
- SHARE7DS
- LIKE7DS
- ITBE2020
- MASCOT
- HAWKLON
- CELESTIALS
- 3000 years
- MAGIC
- Knights
- Thanks
- Assassin
- LvMeli
- Festival
- 7DS100
- Sunshine