The Seven Deadly Sins: IDLE Redeem Codes List

To redeem promotional codes in The Seven Deadly Sins: IDLE, open your game settings, input your code into the account redemption field, and claim the rewards sent to your in-game mailbox.

Listed Promo Codes

The following promotional codes have been released for the game:

• DEC7DSI
• HAPPY7DSI2026
• 7DSIONEANDHALF
• 7DSISTRONGEST
• 7DSIHOLYWAR

These codes provide extra resources, such as diamonds and summon tickets, to support hero pulls on featured banners like Traitor Meliodas.

How to Redeem Codes Step-by-Step

1. Launch The Seven Deadly Sins: IDLE on your device.
2. Tap your player profile icon or open the settings menu from the main interface.
3. Select the Account or Redeem Code button to bring up the text entry box.
4. Type or paste your code into the input field exactly as formatted, preserving capital letters and numbers.
5. Confirm the submission.
6. Open your in-game mailbox to collect your rewards.

Items delivered via code redemption do not automatically merge into your inventory totals until you manually claim them from your mailbox.

Redemption Rules and Limitations

• Single-Use Limit: Each promotional code can only be claimed once per account ID.
• Case Sensitivity: Codes must match the exact letter casing provided to avoid validation errors.
• Expiration: Promotional codes may expire following game updates or event conclusions. If a code returns an invalid or expired message, its promotional window has ended.
• Progression Strategy: Code rewards act as a supplement to standard gameplay. To maintain continuous account growth, combine code redemptions with daily stage clears, event mission completions, and regular AFK reward management.