⚓ Free-to-play educational harbour salvage browser simulation. No in-app purchases or monetary rewards.
Cobiraxeli Emblem Cobiraxeli Harbour Drift
Play Simulator
Fremantle Harbour Operations v3.4

Cobiraxeli Harbour Drift

Master Indian Ocean hydro-salvage physics in Fremantle. Manage your energy pool, calibrate salvage hooks, and retrieve historic artifacts and maritime specimens.

📍 1 Marine Terrace, Fremantle WA 📞 +61 8 6557 2149
Shift Objective 0 / 3 Items

Recover 3 harbour salvage objects to successfully complete the active shift.

ENERGY POOL 1,000 pts
CAST COST 10 pts
RETRIEVAL STREAK 0
SHIFT SCORE 0 pts

Click to Launch Harbour Simulator

Activate physics engine and enter Fremantle harbour viewport.

COST:

Simulation Console

[10:00] Fremantle harbour telemetry active. Awaiting launch...

Salvage Objects & Artifacts

Core harbour items targeted during Fremantle simulation runs.

Western Rock Lobster
+50 pts

Western Rock Lobster

Abundant crustacean specimen native to the Indian Ocean rocky reefs of Western Australia. Frequent target for coastal telemetry calibration.

Compass Float
+200 pts

Compass Float

Brass-encased navigation marker used by harbour pilots in Fremantle Port. Provides moderate score bonuses upon retrieval.

Anchor Chain
+500 pts

Anchor Chain Relic

Heavy forged iron link from historic 19th-century vessels berthed in Gage Roads. Yields high value bonus in deep basin simulations.

Simulation Scoring Matrix

Comprehensive breakdown of retrieval multipliers and object rarity.

+50 pts
Western Rock Lobster

High frequency shallow water specimen.

+200 pts
Compass Float

Mid-depth navigation artifact.

+500 pts
Anchor Chain Relic

Deep harbour basin historical relic.

Harbour Physics Engine Specs

Technical architecture powering the browser simulation.

[01] RENDER PIPELINE

HTML5 Light Canvas 60 FPS

Optimized 2D canvas rendering with clear daytime harbour water gradients and high-contrast vector object silhouettes.

[02] ENERGY MANAGEMENT

Client-Side State Machine

Deterministic simulation state managing energy pools, cast costs, retrieval streaks, and session progression entirely locally.

[03] ACCESSIBILITY & MOBILE

Cross-Device Viewport

Full support for touch controls, keyboard keybindings, and responsive layout scaling across all modern desktop and mobile browsers.