Survivors, get ready because this is your complete guide to all working Diamond codes for 99 Nights in the Forest straight out of January 2026. These fresh drops come right from the Caves Part 2 and Mini Biome updates, handing out free diamond to power up your classes and talents without any grind. We’ve checked every single one live as of today, January 24, 2026, so you know they’re solid. Redeem fast before the Forest is Angry hard mode event comes along and wipes them clean.
Whether you’re a newbie dodging cultists or a veteran hitting those 99-night streaks, these codes pack serious diamond power. Keep this page bookmarked for daily updates.
All Working Diamond Codes
Active diamond Codes Table (January 2026)
| Code | Reward | Status |
| afterparty | 15 Diamond | ✅ Working |
| yayfishing | 2 Diamond | ✅ Chat-Only |
Note: yayfishing works in global chat during matches with Fishing Rod equipped – diamond drop from sky!
Secret Chat Diamond Code Details
The yayfishing code skips the menu entirely and works in-game for extra diamonds. Get to Campfire Level 2 first, then equip your Fishing Rod. Head into a match and type yayfishing into global chat. Watch as 2 diamonds spawn right from the sky, so snatch them up quick. You can repeat this trick every round for steady gains.
Expired Diamond Codes and Unofficial/Old Diamond Codes
- minibiome
- snowmelt
- 10knights
- happyhalloween
- volcano2
- dailylogin
- meteorite
- forestgems
- night99
- caveman
- biomeking
- ramlord
Step-by-Step: How to Redeem Diamond Codes
Redeeming in 99 Nights in the Forest is a breeze right from the lobby, no mid-game stress. First, launch the game on Roblox and head straight to the lobby without queuing up. Tap the diamond or diamond icon sitting in the bottom-left corner, right by the green buy button. Switch to the “Codes” tab with that blue button down at the bottom-right of the shop menu. Paste your code exactly into the “Enter Code” field, then hit “Submit” to watch those diamonds land in your inventory instantly.
If something goes invalid, it’s usually a caps issue, already-used code, or it’s expired. Everything works smooth across mobile, Xbox, and PC with zero Robux needed.
99 Nights in the Forest Basics (Why Diamonds Rule)
This Roblox survival hit throws you into enduring 99 nights across haunted forests packed with cultists, wild beasts, and wild biomes from Snow Caves to Fairy Woods. diamonds let you buy Classes and Talents that give you real edges, turning tough runs into wins.
January 2026 brought heat with Caves Part 2 adding deeper horrors and Ram boss encounters, Mini Biome dropping micro-terror maps full of surprises, and Snow Is Melting where ice cracks open to flood areas with loot. Diamonds cut out the endless farming so you focus on surviving.
Pro Tips: Max Your 17 Free Diamonds
Turn your code diamonds into real power by prioritizing Hunter class with enemy radar upgrades. Combine Stealth and Speed talents to slip past patrols without a sound. After redeeming, raid the Cave edges for safe diamond farms. Squad up with friends to share chat drops and double your haul. Stockpile now for Forest is Angry hard mode rumors swirling around Discord leaks.
