Use the developer-listed MONSTER code

The confirmed way to get Ruby Keys from the available official information is the MONSTER code, listed for 3 Ruby Keys and 3,000 XP. FirstTry included that reward in the Harpoon a Fish description checked on October 17, 2026. It gives you a specific code to try before searching for an unverified key-farming method.

Check the official Harpoon a Fish Roblox page for the current developer announcement. The reward is developer-listed; it has not been personally redeemed for this guide, and a listing does not guarantee that redemption remains available forever.

Claim the reward using the current game instructions

Launch the exact Harpoon a Fish experience by FirstTry and use the game's current code-redemption interface if it is available. Enter MONSTER exactly as listed, without quotation marks or surrounding spaces. Follow the interface's submission instructions and check the result before assuming the keys have been added.

The official description supplies the code and reward, but does not explain the current menu location or button labels. This guide cannot verify a particular Settings path, so use the instructions visible in your game rather than looking for an assumed button.

If the attempt fails:

  • Compare your entry with MONSTER and remove any accidental spaces.
  • Check the official description for a changed or removed announcement.
  • Read the game's error message before trying again; an expiry, prior-use restriction, and temporary failure should not be treated as the same diagnosis.

No exact expiry date, reuse allowance, or additional claim condition is established in the official material used here.

Which other Ruby Key sources are confirmed?

No other dependable Ruby Key source is established by the available official game, badge, and pass information. That leaves the listed MONSTER reward as the concrete method this guide can identify, rather than proving it is the only method the game contains.

There is not enough exact-game evidence here to promise keys from daily rewards, playtime milestones, a particular monster, a chest drop rate, or a repeatable farming route. The absence of those details also does not prove that Ruby Keys can never be purchased. Check current in-game offers and their stated rewards directly before making a decision.

The developer's announcement names Ruby Keys as a reward but does not explain their full spending interface or list what each key can obtain. Verify the destination and reward details shown in the game before spending them; a code reward alone cannot establish a particular loot table.

FAQ

What code gives Ruby Keys in Harpoon a Fish?

The official description checked on October 17, 2026 lists MONSTER for 3 Ruby Keys and 3,000 XP.

Can I repeatedly use MONSTER to farm keys?

The developer listing used here does not establish repeat redemption. Do not treat a single listed code as an unlimited key source.

Are Ruby Keys guaranteed from playtime or daily rewards?

Those sources are not confirmed by the official material available for this guide. Check the current game for explicit reward information rather than relying on a guessed schedule.

Does the listed code still work?

It was present in the developer's description at the source check. Current redemption must be checked in the game; this guide does not claim a personal successful test.