The Big One

A mobile fishing game where one cast can change everything

The Big One is a mobile fishing game designed for quick, satisfying sessions with simple touch controls. Unlock new fishing spots, upgrade your gear, and complete your fish collection as you progress.

Available Platforms: Android · iOS · App in Toss

Now available on iOS, Android, and App in Toss.

Explore the 1.3.2 preview ↓

Earlier gameplay video · Recorded before the 1.3.2 changes.

1.3.2 · Development preview

Choose a ripple. Build your aquarium.

Explore fishing and village changes in development. These are real development screens; not all features are available in the public version.

Recorded with test accounts and configured ripples and items. Screens, values and availability may change. The on-screen language is Korean.

Start with a ripple

Choose a ripple, match your bait and cast. Unsuitable bait gets no response. Groundbait is being added to refresh the ripples.

18 seconds of real input: select a ripple, change bait and cast. See the fishing description above for context.

Time with your catch

An aquarium is in development: receive a starter tank, display supported species and place plants and decorations. Each tank has fish-count and per-fish weight limits.

From village to aquarium

Find the aquarium and residents on the village map. Select a destination to walk there and use the entrance button to enter or leave.

One fish at a time

Start with one ripple, check your catch in the keepnet, then learn about resources and your next cast. This guided introduction is in development, with a skip option for experienced players.

Share your catch

Catch and collection cards are in development for chat, with enlarged images and star, thumbs-up and heart reactions. Review the room and content before sharing.

112 refreshed fish illustrations

112 approved painterly images are in the development build. These are samples of the actual PNG assets. Not every species supports aquarium display.

Game Overview

The Big One is a casual fishing experience built around timing, tension, and progression. From casting to bite reactions to reeling, each run is designed to feel responsive and rewarding. As you play, you earn gold to improve equipment, unlock new locations, and chase rarer catches. With intuitive UI, step-by-step onboarding, and collection-focused goals, the game is approachable for new players while still engaging for completion-driven users.