Tunnels offer an entirely new level of gameplay experience, as they can be used to flank enemies without being noticed, even allowing to attack them from the rear.
This page lists maps that feature tunnels.
Northern Europe[]
| Map | sewage system tunnels, grid, notes | flag names of tunnels, grid, notes | link to tunnel-map (if known) |
|---|---|---|---|
| Skorpo | H18 to U10 with 2 openings in between | ||
| Harju | J7 (right under big warehouse, leading to nearby grass field) | Ammunition Bunker (D3)
Warehouse 21 (J7) |
Eastern Europe[]
| Map | sewage system tunnels, grid, notes | flag names of tunnels, grid, notes | link to tunnel-map (if known) |
|---|---|---|---|
| Fools Road | Hilltop Encampment
Fortress |
||
| Black Coast | Chernikov Central (one entrance is in a barn),
Old Barracks (one entrance is a destroyed underground bunker, other entrance inside ruins of a house) Sub Pen area (appears to only be accessible on some Invasion layers) |
||
| Gorodok | Tunnel Defenses
Niva Radio Tower |
||
| Belaya Pass | Train Tunnel | ||
| Mestia | Crucible Gamma (long tunnel) |
Middle East[]
| Map | sewage system tunnels, grid, notes | flag names of tunnels, grid, notes | link to tunnel-map (if known) |
|---|---|---|---|
| Fallujah | E5 to F5 | Commercial District
Upper Bazaar Blue Mosque |
highly detailed sewage system map (Steam community guide) Google site with tunnel-like favicon (for use with webbrowser tab-pinning) |
North America[]
| Map | sewage system tunnels, grid, notes | flag names of tunnels, grid, notes | link to tunnel-map (if known) |
|---|---|---|---|
| Manicouagan | Underground Dam Outlet |