Catch a Monster Codes (December 2025) — Latest working list

Catch a Monster on Roblox lets you capture and train monsters, and its promo codes give you free coins, XP potions, gems, and other upgrade items.

Updated: December 11, 2025.

New codes: endless

• endless — 500 Tower Gems and 12 Potential Serums NEW
• rankA — 8k Coins and 6 Arcane Sparkstone
• coin — 3x Small Coin Potion
• xp — 3x Small XP Potion
• cam — 3x Small Coin Potion and 3x Small XP Potion

How to redeem codes

Step 1: Open Roblox and start Catch a Monster from its experience page.

Step 2: Once you are in the game, look at the top-right corner of the screen and click the gift box / present icon labeled for codes or gifts.

Step 3: In the pop-up window, click into the Gift Code text box and carefully type or paste one working code exactly as shown.

Step 4: Press the Redeem button underneath the text box.

Step 5: If the code is valid and active, a success message appears and the coins, potions, or other rewards are added to your account immediately.

Expired codes

• thanks300 — Previously granted a Feather and other free rewards
• thanksgiving — Previously granted potions and coins

Why codes might not work

• The code has expired and is no longer accepted by the game.
• There is a typo, missing character, or extra space; codes are case-sensitive and must match exactly.
• The code was already redeemed once on your Roblox account and cannot be used again.
• The game server or your client has not refreshed; close Catch a Monster, reopen it, and try the code again.

Where to find more codes

The developer, LDS II / Lightning Dragon Studios, often shares new Catch a Monster codes through its community channels. You can:

• Join the official Lightning Dragon Studios Discord server at discord.com/invite/krGrXEqaDs and check the Catch a Monster category, especially the codes channel.
• Follow the LDS II Roblox group for update notes and occasional code posts.
• Visit the Catch a Monster experience page on Roblox, where some events and updates are highlighted.

Bookmark this page as well — the working code list is reviewed and updated regularly.

Codes in Catch a Monster are time-limited and case-sensitive, so redeem them as soon as you can and always type them exactly as shown. Avoid any third‑party “code generator” sites or tools that ask for your Roblox login or personal data, as legitimate codes only come from the developer’s official channels.