Windward Horizons — Free 3D Sailing & Trading Game

OPEN-OCEAN VOYAGE / ORIGINAL BROWSER GAME

Windward Horizons

Read the wind and trim sail across an open sea linking five ports. Trade shifting markets and discover forgotten sea marks beyond the fog.

Best voyage score: 0

Living ocean

Layered wave displacement, crest foam, hull wake and time-shaped reflections

Classic tall ship

Hull, deck, gunports, masts, rigging and animated wind-filled sails

Sail and trade

Wind-based speed, five daily markets and a 30-slot cargo hold

How to play

Raise or lower sail with W/S and steer with A/D. Read the HUD wind arrow and avoid pointing into the source to build speed. Near a port, shorten sail, slow below 1.25 and press F or Dock; buy low and sell at a port paying more. Discover the three glowing sea marks and visit all five ports for exploration score.

Detailed rules

  1. 1.The wind arrow shows where the wind travels. Running and beam reaches are fast; pointing into the source sharply reduces sail efficiency.
  2. 2.Sail trim ranges from 0–100%. More sail accelerates, but docking requires shortening sail and slowing below 1.25.
  3. 3.The hold has 30 slots. Tea uses 1, spices and silk use 2, and timber uses 3 per unit.
  4. 4.Prices combine each port's demand with a deterministic voyage-day fluctuation. The same port and day always produce the same quote.
  5. 5.Voyage time pauses in a port market. There is no account, network opponent or real currency.

Origin & history

Windward Horizons is an original OIYO 3D browser game inspired by Age of Sail navigation and the tradition of port-to-port trading games. It copies no external game model, texture or recording; the ship, ports, waves and music are all procedural.

FAQ

Is the ocean a pre-rendered video?

No. Four wave fields displace the water vertices every frame, and the same function drives the hull's height, pitch and roll. Crest foam, island shore foam and a speed-shaped wake are also computed live.

Where does the orchestral music come from?

No recording is downloaded. After Set sail, Web Audio synthesizes strings, brass, timpani, cymbal and reverb on-device in real time. The HUD speaker button can mute it at any time.

Is there online multiplayer or server saving?

No. This voyage is single-player, and only the best voyage score is kept in browser localStorage. Routes, trades and personal data are not sent to a game server.