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ArcadeOwl Fishing

Harbor Treasure Hunt Big Game

Diamonds spawn thick near the bottom and pay a huge bonus — fish the treasure out.

What is it?

Harbor Treasure Hunt Big Game loads instantly in your browser — no install, no account, just play. Diamonds spawn thick near the bottom and pay a huge bonus — fish the treasure out.

How to play

  • Gems spawn densely near the bottom.
  • Each 💎 pays a big bonus on top of coins.
  • Grab fish and gems on the same drop.
  • Dodge the bombs guarding the riches.

Why you'll love it

  • Free to play instantly — no download or sign-up
  • Full touch, mouse and keyboard support
  • Saved best score and local leaderboard
  • Cast-and-reel action with idle-style coin progression

Ready?

Free. Instant. No download.

▶ Play Harbor Treasure Hunt Big Game