THE FORTRESS: ALARM IN THE ROCK (1985)
Autumn 1985. Foreign underwater incursions and reconnaissance craft detected in Törefjärden bay. Siknäsfortet is placed on highest combat alert.
Monitor the radar over Törefjärden and engage intruders using the fort's twin 15.2 cm coastal cannons.
Load shells and powder from deck L-3 via the vertical hoist into the gun turret. Hit the green zone for active reload.
Repel saboteur attempts at the blast tunnel and manage generator and ventilation emergencies.
Hold out for a 5-minute combat shift to earn your official declassified military service certificate.
Cannons from armored cruiser HMS Fylgia
The two 15.2 cm cannons in Siknäsfortet's turret m/60 were salvaged from the Swedish armored cruiser HMS Fylgia. They hurled 47 kg shells up to 17 km into the Gulf of Bothnia.
40 meters beneath solid granite
The bunker is carved 40 meters deep into rock across 4 levels, equipped with two Scania-Vabis diesel generators, NBC filtration, fresh water reservoirs, and quarters for 25 crew members.
Shockwave tunnel & nuclear protection
The entrance features an angled blast tunnel with heavy steel armored doors engineered to withstand surface nuclear detonations.