99 Nights in the Forest is a survival horror Roblox game where you face 99 nights in a forest.
Each night grows progressively harder as supernatural creatures and eerie events intensify.
Gather resources, build shelters, and solve mysteries to survive while avoiding deadly entities.
Experience atmospheric sounds, jump scares, and a story that unfolds through hidden clues.
In this guide, you’ll learn how to get free diamonds in 99 Nights in the Forest in Roblox (7 easy methods) without a script or generator.
- Complete achievements
- Loot chests
- Clear Cultist Strongholds
- Pass Day 50 and Day 99
- Redeem codes
- Earn free diamonds with Survey Junkie
- Bonus methods
Method #1: Complete achievements

In 99 Nights in the Forest, you can complete achievements to earn badges and diamonds.
When you complete an achievement, you’ll be rewarded with diamonds.
The harder the achievement, the more diamonds you’ll get, up to 8 diamonds.
This method is non-renewable, which means that it cannot be repeated.
Method #2: Loot chests
99 Nights in the Forest contains chests that are located around the map.
The loot inside ranges from bandages, fuel, item upgrades, and even diamonds.
A single diamond can be obtained from Legendary, Cold, Ice, Iron, Good, and Gold Chests.
Looting the Diamond Chest in the Cultist Stronghold is the most effective way of getting diamonds.
Method #3: Clear Cultist Strongholds
The Cultist Stronghold is a structure with dangerous enemies and valuable loot.
You should only attempt to clear it if you have powerful ranged weapons.
There are 3 floors in the Stronghold, and the prize room will be unlocked after you defeat a certain number of cultists on the 3rd floor.
The prize room contains a Diamond chest that rewards you with 5 diamonds.
Method #4: Pass Day 50 and Day 99
Completing major survival milestones in “99 Nights in the Forest” rewards you with diamonds.
Upon successfully surviving and passing Day 50, you will be rewarded with 2 Diamonds.
If you manage to reach the end of Day 99, an even greater prize of 3 diamonds will be awarded.
This provides a clear and guaranteed method for players to earn diamonds in the game.
Method #5: Redeem codes
The developers of 99 Nights in the Forest frequently release codes that players can redeem for diamonds.
To redeem a code, select the diamond icon on the bottom left and select “Codes”.
Lastly, enter the code in the “enter code” box and select “Submit” to redeem it.
Here is a list of active codes in 99 Nights in the Forest that you can redeem for rewards.
Method #6: Earn free diamonds with Survey Junkie

If you want to get a free diamonds in 99 Nights in the Forest, you can sign up for Survey Junkie (sponsored).
Survey Junkie is a website to complete surveys to get rewards (redeem 500 points = $5).
Rewards include gift cards for PayPal, Robux, Apple, Amazon, Walmart, and others.
You can cash out using PayPal and use it to buy the diamonds in 99 Nights in the Forest.
Method #7: Bonus methods
- Fishing easter egg: Type “yay fishing” in chat while fishing in the game to spawn 2 Diamonds next to you.
- Join Update Parties: Join an Update Party match, which is available for one hour before an update to get 20 to 40 diamonds for free.
- Complete event badges: Complete the event badges (located in the main lobby) to be rewarded with diamonds.
Further reading
List of Badges 99 Nights in the Forest