Book of Monsters lets you choose sides between humans and monsters in chaotic battles across the city. Codes in the game give you extra coins, candy, experience, and special items to help you level up or unlock new skins. Using codes smartly can give you a nice boost whether you’re smashing as a monster or hunting as a human. Here’s a clear guide to using Book of Monsters codes and what you can expect from them.
Checked and verified on June 30, 2026 (Today)
BookOfMonstersHASCODESThis code gives you 1,000 Coins and 500 Experience.
InsquidiousGameThis code gives you Insquid Game Costume.
TwitterCowThis code gives you 250 Coins and 50 Dux.
KitchenFanThis code gives you 250 Coins and 50 Dux.
HammersAddedThis code gives you 750 Coins.
WormMonsterWhenThis code gives you 500 Coins.
GhostsSayBOOThis code gives you 100 Candy.
HauntedHalloweenThis code gives you 100 Candy and 25 Dux.
StillTheHolidaysThis code gives you 100 Candy Canes.
BarThis code gives you 111 Coins, 11 Dux, And 1,111 Experience.
90MILLIONVISITSThis code gives you Free Rewards.
SacredHillsThis code gives you Free Rewards.
CodeOrRiotThis code gives you Free Rewards.
ClassicHalloweenThis code gives you Free Rewards.
How to Redeem Book of Monsters Codes
There are no special requirements to redeem codes in Book of Monsters. Just follow these simple steps.
- Launch Book of Monsters on Roblox.
- Click the Rewards button on the right side of the screen.
- Enter your code exactly as shown in the text box.
- Press Confirm or Enter to claim your reward.
Make sure to type codes with correct capitalization since they are case sensitive.
Explore survival thrills with BEAR codes and 50 Days on a Raft codes for more intense gameplay experiences in the same genre.
These codes are expired and no longer work.
Why Codes Might Not Work
Codes may fail if they are expired or entered incorrectly. Always check for exact capitalization and spelling. There are no level or gameplay restrictions for redeeming codes in Book of Monsters.
What Rewards You Normally Get?
Codes in Book of Monsters mostly grant you resources and some special items that directly impact gameplay and progression. Here is what you typically receive:
| Reward Type | Description |
|---|---|
| Coins | Currency used to unlock skins and upgrades. |
| Candy | Special event currency often used during holidays. |
| Dux | Another form of currency for purchasing items. |
| Experience | Helps level up your character for better stats. |
| Costumes | Unique skins like the Insquid Game Costume. |
These rewards help you customize your character and improve your chances in battle, whether you play as a human or monster.
Where to Find New Book of Monsters Codes
New codes for Book of Monsters usually come from the developer Cosmic Workshop. They often post updates and codes on their official Twitter and in the Book of Monsters Discord server, especially in channels like #codes or #announcements. Following these sources is the best way to get fresh codes quickly. Developer socials are listed below the game.
We keep track of these sources and update this page as soon as new codes drop. Bookmark this page or follow our channels to get the codes right away.
