The current working code in 99 Nights in the Forest is:

• "afterparty" — Redeem this code to get 15 Gems.

To redeem codes:

• Launch the game.
• Click the Gems button on the bottom left.
• Go to the Codes option.
• Enter the code and click Submit to claim rewards.

Currently, there are very few active codes, with "afterparty" being the main one confirmed as working as of September 2025. Codes give free Diamonds (Gems) to help with purchasing better classes in the game.