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Harpoon a Fish Codes (November 2026)

Last checked: November 1, 2026 · 2 working codes · 0 expired

[🎃] Harpoon a Fish

Roblox · by FirstTry · Simulation / Tycoon

🟢 8,071 playing👁 10.8M visits👍 97%⭐ 61.9K🛠 Updated November 1, 2026

Harpoon a Fish is a Roblox fishing game where you spear and reel in sea monsters, steal other players' catches, evolve them and show them off in an aquarium. Codes give XP and Ruby Keys.

Newest code: OP → 5,000 XP, 3 Ruby Keys, 1 Fat Potion. Redeem all 2 working codes below before they expire.

All Working Harpoon a Fish Codes

Code	Reward	Player reports (30 days)
`MONSTER`OFFICIAL	3,000 XP, 3 Ruby Keys
`OP`1 SOURCE	5,000 XP, 3 Ruby Keys, 1 Fat Potion

Tried a code? Tap Works, Expired or Invalid next to it. Your report helps everyone see which codes still work. Codes are case-sensitive, so use the Copy button.
2 SOURCES how many sites list the code · 1 SOURCE seen in one place so far · ✓ PLAYERS players say it works · REPORTED EXPIRED most reports say it stopped working

Expired Harpoon a Fish Codes

No Harpoon a Fish codes have expired yet. When a code stops working, it moves here.

How to Redeem Codes in Harpoon a Fish

Launch Harpoon a Fish on Roblox.
Click the Settings gear button on the left, next to the gold star.
Type the code into the Enter box.
Click the blue Submit button.

Why Is My Harpoon a Fish Code Not Working?

Codes are case-sensitive, so copy them exactly.
If a code is rejected, leave and rejoin to land in a fresh server and try again.
OP is marked 'Check' by Roblox Den, so it may stop working.

What Do Harpoon a Fish Codes Give You?

XP levels you up, Ruby Keys open special crates, and the Fat Potion is a boost item.

How to Get New Harpoon a Fish Codes

MONSTER is written in the game's Roblox description, so check the description for new codes. Play it on Roblox.

About Harpoon a Fish

⭐ 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!Official description from the game's Roblox page

Developer	FirstTry (group)
Genre	Simulation / Tycoon
Playing now	8,071 (November 1, 2026)
Visits	10.8M
Likes	97% of 73.2K votes
Favorites	61.9K
Server size	6 players
Released	August 28, 2026
Last update	November 1, 2026

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FAQ

Which Harpoon a Fish code is official?

MONSTER, because it is printed in the game's own description.

Do codes expire?

They can. No expired codes are known yet.

Comments

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