Catch a Monster Codes (May 2026) — Latest working list

Update: We found 1 new Catch a Monster code on May 20, 2026 and added it to the list. We also removed expired codes.

Catch a Monster codes give you free items that can speed up early progress, add useful consumables, and unlock extra rewards like eggs, chests, and event currencies. If you want to redeem them in-game, open Catch a Monster on Roblox and use the gift icon in the top-right corner.

Working Catch a Monster codes

• aaobby NEW — 1,200 Wanderer's Coins, 1 Middle Lucky Potion, 10,000 Coins, 1 Mythical Chest, 1 Mobius Circus Rift III
• stumfoxy — 1,000 Wanderer's Coins, 1 Mobius Circus Rift III
• umbraver — 1 Titanium Blue Shield Egg
• poseidive — 1 Void Jar, 1,500 Undine Coins, 1 Anchoring Core
• vodiplate — 1 Void Jar, 1,000 Undine Coins
• nampyra — 1 Blood Crystal Prison Egg, 1 Sovereign Core
• orange — 1 Legendary Chest
• purple — 1 Epic Chest
• rexie — 1 Sovereign Core, 1,500 Treasure Tickets
• ssentinel — 1 Bubbly Red Blaze Egg
• xp — 3 Small XP Potions
• coin — 3 Small Coin Potions
• cam — 3 Small XP Potions, 3 Small Coin Potions

Expired Catch a Monster codes

• cearial
• steamforge
• spinewyrm
• blazewyrm
• avalanchewyrm
• burrowbun
• riftab
• aetherpanther
• blossom
• crystalfae
• sleetwolf
• espire
• emberwolf
• voidluna
• vnoctane
• shadecloak
• PRIMOTHORN
• blazevex
• netherde
• amethyst
• thunderclaw
• wanderer
• tradere
• mentawolf
• bladetooth
• nivisgon
• cloveria
• bunleaf
• bunshroom
• berrybun
• dungeon3
• dungeon2
• eggbug
• doomgator
• dungeon
• frostiel
• fordelay
• bramblevex
• toucan
• mintgloom
• ignisraptor
• verdysaur
• breath
• crow
• dracospike
• tricerasteel
• dino
• scythewing
• sunforge
• hydrolope
• psyber
• thunderjet
• solron
• cobaltwing
• kitsunine
• lunanewyear
• rose
• deerleaf
• mechavolt
• eclipse
• undine
• voltgator
• gildron
• c800
• egg2026
• c600
• xegg
• cane
• keys50
• rankA
• thanks300
• thanksgiving

How to redeem Catch a Monster codes

Step 1: Launch Catch a Monster in Roblox and wait until you are fully in-game.

Step 2: Click the gift box icon in the top-right corner of the screen. This opens the code entry field.

Step 3: Enter any working code exactly as shown, then press Redeem. If the redemption goes through, the game shows a reward notification and the items are added to your account.

What Catch a Monster codes give you

The current code pool includes several reward types. Some codes give direct consumables like Small XP Potions and Small Coin Potions, while others unlock eggs, treasure-style rewards, or event currencies such as Wanderer's Coins and Undine Coins.

Higher-value codes can also include items like Mythical Chests, Epic Chests, Legendary Chests, Mobius Circus Rift III, Void Jar, Anchoring Core, Treasure Tickets, and Sovereign Core. That makes the active list worth checking even if you already redeemed the basic potion codes.

Where new Catch a Monster codes appear

New codes are typically posted in the game's Discord community under the codes channel. Code drops are commonly tied to updates and new content, so the active list can change quickly across the month.

Because rewards vary from simple boosts to eggs and premium-style loot, it is worth redeeming new entries as soon as they appear.

Right now, the most valuable active entries are aaobby, stumfoxy, and umbraver, since they provide some of the strongest currently listed rewards.