HAFHarpoon a Fish game icon
Updated Oct 21, 2026

Harpoon a Fish Codes (October 2026)

Checked today 6K players 2 active codes Simulatorby FirstTry

There are currently 2 working Harpoon a Fish codes, including 2 new. Redeem them for free XP boosts, Keys and potions. Every code below was re-checked today; codes that stop working move to the Expired tab the same day.

Sort

All working Harpoon a Fish codes

NEW
3000 XP, 3 Ruby Keys
Added Oct 20, 2026
NEW
5000 XP, 3 Ruby Keys, Fat Potion
Added Oct 20, 2026

How to redeem Harpoon a Fish codes

  1. 1
    Launch Harpoon a Fish
    Open Roblox and join Harpoon a Fish. The codes box only works once you have fully loaded into the game.
  2. 2
    Find the codes menu
    Look for a Codes, Redeem or gift button. Most games put it on the side of the screen, inside the Settings menu or at the bottom of the Shop.
  3. 3
    Paste a code and claim
    Tap Copy on any active code above, paste it into the box and press Redeem. Codes are case-sensitive, so copying beats typing.
Harpoon a Fish official Roblox thumbnail
Harpoon a Fish on Roblox. Image: FirstTry

About Harpoon a Fish

Developer: FirstTry · Genre: Simulator / Tycoon · Visits: 4.9M · Favorites: 23K · Released: 2026 · Last game update: Oct 21, 2026

⭐ Use Code: MONSTER to get +3k XP and +3 Ruby Keys ⭐ 🔱 Welcome to Harpoon a Fish🔱 🍔Get FAT and SINK deeper to discover and catch new sea monsters! Fill out your index with over 1,800+ UNIQUE fish! 🥇STEAL from others! Harpoon other player's fish and test your skill! Only one can catch the trophy. ⏫EVOLVE your fish and grow the BIGGEST and RAREST sea monster you can find! Be careful though, danger lurks the deeper you go... [How To Harpoon] • Aim at your target and FIRE! • Time your reels to pull in the fish! • Test your skill and STEAL from others! • Put caught fish in your aquarium and GROW YOUR NEW PET!

Description from the official Harpoon a Fish page on Roblox.

Official links

Play on Roblox ↗FirstTry on Roblox ↗Discord ↗

Harpoon a Fish codes FAQ

What are the working Harpoon a Fish codes in October 2026?

There are 2 active Harpoon a Fish codes right now: MONSTER, OP.

How do you redeem codes in Harpoon a Fish?

Join Harpoon a Fish on Roblox, then look for a Codes, Redeem or gift button. Most games put it on the side of the screen, inside the Settings menu or at the bottom of the Shop. Paste a code exactly as written and press Redeem.

Why is my Harpoon a Fish code not working?

Codes are case-sensitive and most can be redeemed only once per account. Some need a minimum level, and older servers may not accept brand-new codes, so rejoin a fresh server. If a code still fails it has probably expired.

When do new Harpoon a Fish codes come out?

FirstTry usually releases new codes with updates, events and like or visit milestones. New codes are added here within a day of release.