Harbor Breach

Overview

Harbor Breach puts one operator inside a locked-down industrial port at dawn. Container stacks create narrow sight lines, the warehouse interrupts the open yard, and the dock marks the route to an extraction boat. Three uplink relays keep the port security system active. Your mission is to disconnect them and leave the harbor alive. Flying gull drones and ground-level hound drones approach from different heights, so watching the same corridor throughout a fight leaves part of the scene exposed. Cutting a relay also draws reinforcements. The final objective changes from sabotage to extraction once the third relay is down, giving the last section a different pace from the initial search.

How to Play

Press Deploy to start. Move with WASD and use the mouse to look. Left mouse fires, right mouse aims, R reloads, Space jumps, Shift sprints, C or Ctrl crouches, and F performs a melee attack. Approach a relay, face it, and hold E until its progress completes. The compass and objective display help you find the remaining relays and the boat. Arrow keys or IJKL turn the view, and Enter fires if mouse capture is unavailable. Press P or Escape to pause and open settings or restart the mission.

On a phone, the left side acts as a movement stick and the right side turns the view. Hold the Fire button and drag to track a moving target. Aim toggles the sights, while separate buttons reload, jump, interact, and pause. Push the movement stick fully forward to sprint. The game menus are in English. Graphics quality, sensitivity, volume, and field of view can be adjusted in Settings.

Tips & Strategy

Reload before starting a relay interaction so you can answer the reinforcement wave immediately afterward. Read the progress prompt before holding E: standing beside a relay while looking away may leave you outside its interaction angle. Keep a container or warehouse corner nearby to break an enemy's line of sight, then look up for flying drones before returning to the ground threat. After the last relay, follow the extraction marker instead of searching for another objective. The boat cannot finish the mission while any relay remains active, so a trip to the dock early is useful only for learning the route. If the view feels sluggish on a phone, reduce graphics quality before increasing sensitivity.

About This Version

SonoTap adapted this standalone game with a new title, English interface, radio messages, and harbor signage. Its Three.js r180 renderer is distributed with the original MIT notice. The world, controls, and mission run in the game frame on this site.

Reading the harbor

The objective display and compass point toward the relay mission. Moving beside a relay is not enough: face its prompt and hold Interact. A final trip to the boat only succeeds once all three relays are disabled.