Metro Tunnel Expedition
Navigate the irradiated tunnels of the Moscow Metro. Manage your gas mask filter, scavenge filters and medkits, and survive the anomalies. Every expedition writes its own story.
Tunnel Sector
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Movement & Exploration
Click or tap anywhere in the tunnel to pathfind there. You can also use WASD or arrow keys for direct control. Your ranger moves at a steady pace — distance traveled degrades your gas mask filter.
Gas Mask Filter
Your filter degrades over time and distance. At 0%, you take radiation damage. Press F to swap in a fresh filter from your inventory. Find filter canisters (☢️) scattered through the tunnels.
Health & Medkits
Radiation zones (green glow) and anomalies damage health. Press H to use a medkit. Medkits (🩹) restore 40 health. Ammo (🔫) has no gameplay effect in this expedition but counts toward your scavenging score.
Anomalies & Hazards
Watch for visual distortions — shimmering air (heat anomalies), pulsing spheres (gravity), and crackling arcs (electrical). They deal damage on contact. Some areas have high background radiation (green fog) that damages you continuously.
Expedition Goal
Reach the sector exit (marked by a bright doorway) to complete the expedition. Your final log — distance, time, resources found, filters used, damage taken — can be exported as a text record. Each run generates a new tunnel layout.
Accessibility Notes
All actions work via keyboard. The canvas has full focus management. Screen readers announce log entries. Reduced motion disables particle effects. High contrast mode is respected. Touch targets meet 44px minimum.