To survive the dangerous, deep waters of Roblox Heavyweight Fishing (inspired by Câu cá vạn cân), basic gear simply won’t cut it. You need massive fishing power to pull in legendary, colossal fish and survive high-stakes sea boss battles.
Instead of grinding for hours, you can use active developer codes to instantly stock up on free Tickets, Crystals, and Cash.
Active Heavyweight Fishing Codes (May 2026)
⚠️ Important Progression Note: Unlike other Roblox games, the developers of Heavyweight Fishing place strict Level Requirements on major codes. Make sure you meet the in-game level before attempting to redeem them.
30KLikes= 10 Tickets, 15 Crystals, 20k Cash (Level 20) [Latest]31KLikes= 10 Tickets, 15 Crystals, 20k Cash (Level 20)10M5Visits= 15 Tickets, 25 Crystals (Level 50)11MVisits= 15 Tickets, 25 Crystals (Level 50)11M5Visits= 15 Tickets, 25 Crystals (Level 50)Hit5KActives= 100 Tickets, 100 Crystals (Level 100)
Looking for more deep-sea adventures? If you want to explore more high-yield fishing experiences on the platform, make sure to read our updated guides for Fish Hunter (Loot Fish) Codes. There are hundreds of hidden worlds to discover, so dive into our massive Roblox Game Codes Master List to claim free spins, cash, and boosts for all your favorite games!
Pro Strategy: How to Maximize Your Free Loot
Don’t just randomly burn your rewards the moment you redeem them. If you want to outpace other players and clear content faster, allocate your resources using this priority path:
- The Level 20 Sprint: Because the easiest high-payout codes (
31KLikesand30KLikes) require Level 20, focus all early game efforts on basic XP grinding. Once you hit 20, claim these codes to experience an immediate economic boom. - Prioritize Rod Power Over Cosmetics: Spend your free Cash exclusively on upgrading your Fishing Rods. High raw fishing power is mandatory for unlocking later islands and securing heavy catches.
- Roll for Combat & Utility Skills: Save your hard-earned Tickets and Crystals to roll for top-tier specialized skills. These skills give you the precise edge needed to survive deep-sea boss fights.
How to Redeem Active Codes
Redeeming your rewards takes less than a minute. Follow these precise visual cues to claim your items:
- Launch Heavyweight Fishing from Roblox.
- Look at the left side of your screen and click on the Codes icon.
- A dedicated input window will pop up.
- Copy any active code from our list above and paste it directly into the text box.
- Click Redeem to instantly claim your freebies.
What is Roblox Heavyweight Fishing Game?
Inspired by the massive viral success of Câu cá vạn cân, Heavyweight Fishing is an immersive Roblox simulator that completely flips the traditional, relaxing fishing genre on its head. Instead of sitting passively by a quiet pond, this game drops you into highly volatile, mysterious oceans where reeling in a catch feels like an intense boss fight.

You start your journey as a novice angler equipped with nothing but a basic, fragile rod and zero currency. The core progression loop requires you to catch fish, sell them for raw Cash, and continuously upgrade your rod power, line strength, and specialized character skills.
As your fishing power grows, you can set sail to unlock a vast network of hidden, high-level islands. Each new zone introduces increasingly aggressive marine life, colossal mythical sea monsters, and massive server-wide sea boss events that require heavy-duty gear to conquer.
Troubleshooting: Why is my code failing?
If you enter a code and receive an error, it is typically caused by one of three common issues:
- Unmet Level Requirements: Double-check your character level against our table. If you are Level 15 and try to use a Level 20 code, the system will reject it.
- Server Sync Issues: Developers push code validations to new instances first. If a fresh code isn’t working, try leaving the game and rejoining a completely new server instance.
- Case-Sensitivity: Roblox codes are highly case-sensitive. Capital letters and numbers must match perfectly, which is why we recommend copying and pasting directly from our table.
Expired Heavyweight Fishing Codes
These codes have been officially taken out of rotation by the developers and can no longer be claimed:
- Hit3KActives, Hit4KActives, 10MVisits, 28KLikes, 29KLikes, Hit2KActives, 26KLikes, 25KLikes, ORB, 9MVisits, 8M5Visits, FreeTicket, CrystalBugs, April Fools, LunarNewYear, 21KLikes, 22KLikes, 6M5Visit, 7MVisits.
How and Where to Track New Developer Drops
The developers release new milestones codes as the game hits specific player peaks. To keep up with them in real-time, you can follow the official Unknown Journey Roblox Group or join the game’s community Discord Server.
Alternatively, you can simply bookmark this page. We check the developer logs daily so you don’t have to scramble through chat apps looking for working links!
How do I get more Heavyweight Fishing codes?
The fastest way to find new Heavyweight Fishing codes is to join the official Unknown Journey Roblox Group and monitor their community Discord server.
Why is my Heavyweight Fishing code not working?
Heavyweight Fishing codes usually fail for two reasons: strict in-game level requirements or capitalization errors. Many high-value codes require your character to reach Level 20, 50, or 100 before they can be successfully claimed.
Can I use a Heavyweight Fishing code multiple times?
No. Every developer promo code is strictly single-use per Roblox account. Attempting to redeem an active code a second time will trigger an “Already Redeemed” error and will not grant additional tickets, cash, or crystals.

