RoCodes
Book of Monsters Codes

Book of Monsters Codes (September 2026)

Updated:
36 Players
20 Active Codes
4 (1.3K)

Book of Monsters is a Roblox experience created by Cosmic Workshop on June 14, 2016.

Official Game Developer Links
RobloxRoblox
Discord
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All New Book of Monsters Codes

Reward
Rewards
Added OnAug 10, 2026
Success Rate
0%0 votes
Reward
250 Coins, 100 Dux
Added OnAug 10, 2026
Success Rate
0%0 votes
Reward
1,500 Coins, 100 Dux
Added OnAug 10, 2026
Success Rate
0%0 votes
Reward
Rewards
Added OnOct 31, 2025
Success Rate
0%0 votes
Reward
Rewards
Added OnJan 13, 2025
Success Rate
0%0 votes
Reward
Rewards
Added OnDec 31, 2024
Success Rate
0%0 votes
Reward
Rewards
Added OnNov 1, 2024
Success Rate
0%0 votes
Reward
Rewards
Added OnOct 19, 2024
Success Rate
0%0 votes
Reward
Rewards
Added OnJul 5, 2024
Success Rate
0%0 votes
Reward
200 Blocks
Added OnApr 22, 2024
Success Rate
0%0 votes
Reward
100 Blocks
Added OnApr 1, 2024
Success Rate
0%0 votes
Reward
300 Coins, 25 Dux, 750 XP
Added OnFeb 19, 2024
Success Rate
0%0 votes
Reward
500 Coins
Added OnFeb 2, 2024
Success Rate
0%0 votes
Reward
20 Candy, 24 Dux
Added OnJan 3, 2024
Success Rate
0%0 votes
Reward
100 Candy
Added OnDec 27, 2023
Success Rate
0%0 votes
Reward
100 Candy, 500 Coins, 25 Dux
Added OnDec 27, 2023
Success Rate
0%0 votes
Reward
99 Candy, 900 Coins, 90 Dux, 900 XP
Added OnNov 20, 2023
Success Rate
0%0 votes
Reward
100 Candy, 500 XP
Added OnNov 12, 2023
Success Rate
0%0 votes
Reward
750 Coins, 75 Dux
Added OnNov 12, 2023
Success Rate
0%0 votes
Reward
1000 Coins, 500 XP
Added OnNov 12, 2023
Success Rate
0%0 votes
Ghost123
Reward
Rewards
Added OnNov 12, 2023
Expired OnNov 13, 2023
Days Active1 Day
Staff Score
—/ 5
Community Rating
4/ 5
Based on 1.3K votes

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Book of Monsters Stats

Book of Monsters currently has 36 players on Roblox as of September 20, 2026 at 3:30 AM EST.
Player count over time for Book of Monsters
TimePlayers
09/18/2026, 4:00 AM16
09/18/2026, 4:30 AM15
09/18/2026, 5:00 AM21
09/18/2026, 5:30 AM17
09/18/2026, 6:00 AM12
09/18/2026, 6:30 AM18
09/18/2026, 7:00 AM16
09/18/2026, 7:30 AM15
09/18/2026, 8:00 AM18
09/18/2026, 8:30 AM21
09/18/2026, 9:00 AM13
09/18/2026, 9:30 AM11
09/18/2026, 10:00 AM20
09/18/2026, 10:30 AM13
09/18/2026, 11:00 AM26
09/18/2026, 11:30 AM27
09/18/2026, 12:00 PM26
09/18/2026, 12:30 PM28
09/18/2026, 1:00 PM22
09/18/2026, 1:30 PM23
09/18/2026, 2:00 PM33
09/18/2026, 2:30 PM36
09/18/2026, 3:00 PM23
09/18/2026, 3:30 PM30
09/18/2026, 4:00 PM27
09/18/2026, 4:30 PM19
09/18/2026, 5:00 PM18
09/18/2026, 5:30 PM21
09/18/2026, 6:00 PM18
09/18/2026, 6:30 PM11
09/18/2026, 7:00 PM19
09/18/2026, 7:30 PM23
09/18/2026, 8:00 PM28
09/18/2026, 8:30 PM19
09/18/2026, 9:00 PM34
09/18/2026, 9:30 PM20
09/18/2026, 10:00 PM37
09/18/2026, 10:30 PM38
09/18/2026, 11:00 PM34
09/18/2026, 11:30 PM43
09/19/2026, 12:00 AM41
09/19/2026, 12:30 AM35
09/19/2026, 1:00 AM45
09/19/2026, 1:30 AM39
09/19/2026, 2:00 AM50
09/19/2026, 2:30 AM39
09/19/2026, 3:00 AM38
09/19/2026, 3:30 AM33
09/19/2026, 4:00 AM37
09/19/2026, 4:30 AM30
09/19/2026, 5:00 AM27
09/19/2026, 5:30 AM23
09/19/2026, 6:00 AM21
09/19/2026, 6:30 AM26
09/19/2026, 7:00 AM29
09/19/2026, 7:30 AM19
09/19/2026, 8:00 AM20
09/19/2026, 8:30 AM11
09/19/2026, 9:00 AM13
09/19/2026, 9:30 AM32
09/19/2026, 10:00 AM17
09/19/2026, 10:30 AM21
09/19/2026, 11:00 AM25
09/19/2026, 11:30 AM30
09/19/2026, 12:00 PM28
09/19/2026, 12:30 PM31
09/19/2026, 1:00 PM36
09/19/2026, 1:30 PM31
09/19/2026, 2:00 PM37
09/19/2026, 2:30 PM40
09/19/2026, 3:00 PM43
09/19/2026, 3:30 PM46
09/19/2026, 4:00 PM40
09/19/2026, 4:30 PM34
09/19/2026, 5:00 PM42
09/19/2026, 5:30 PM30
09/19/2026, 6:00 PM26
09/19/2026, 6:30 PM31
09/19/2026, 7:00 PM41
09/19/2026, 7:30 PM35
09/19/2026, 8:00 PM33
09/19/2026, 8:30 PM35
09/19/2026, 9:00 PM20
09/19/2026, 9:30 PM28
09/19/2026, 10:00 PM31
09/19/2026, 10:30 PM29
09/19/2026, 11:00 PM54
09/19/2026, 11:30 PM49
09/20/2026, 12:00 AM37
09/20/2026, 12:30 AM32
09/20/2026, 1:00 AM34
09/20/2026, 1:30 AM45
09/20/2026, 2:00 AM43
09/20/2026, 2:30 AM50
09/20/2026, 3:00 AM38
09/20/2026, 3:30 AM36

Data Insights

Our real-time tracker shows that Book of Monsters is currently trending upward. Within the last 48 hours, peak activity hit 54 players around Sat, Sep 19, 11:00 PM.

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