◒ TWOFOLD HARBOUR
A SMALL PUZZLE ABOUT FINDING YOUR WAY

Two boats.
One tide.

One arrow moves both boats.
Let the shore help you bring them home.

THE FIRST CURRENT

01 First light

0 movesShortest 3
Blue boat → round dock Amber boat → diamond dock

Arrow keys / WASD · U undo · R restart · H hint
Or use the buttons. No clock. No rush.

TWOFOLD HARBOUR · EDITION 1

A small harbour,
a shared direction.

Use the shoreline to change the distance between two boats. Bring blue to the round dock and amber to the diamond dock. Every harbour can be solved; undo and hints are always free.

For publishers

This playable, 12-level HTML5 build is available for non-binding licensing evaluation. Proposed price: US$75 for a non-exclusive site licence and one branded build. No exclusivity or ownership transfer is proposed. Final scope, acceptance, payment method, fees and eligibility require agreement before any order. There is no checkout here.

For the submitted review, please reply to the submission email with the game title, your proposed terms, and any reproducible issue. This page does not collect responses.

Download the evaluation build (ZIP)

Creation & privacy

OpenAI Codex was used to design and generate the code, interface and puzzle layouts. The build has been checked with automated solution searches and browser tests; it has not been evaluated by independent human playtesters. No third-party artwork, fonts, music or game assets are included.

The game sends no gameplay analytics. It saves your best scores and last harbour in this browser only. The hosting provider may process ordinary access requests.

The public demo permits personal play and evaluation. A commercial licence is subject to agreement; no claim of exclusive copyright in AI-generated material is made.