UBOOTSIM

November 1941. The Strait of Gibraltar is the gateway to the Mediterranean, watched day and night. You command a Type VIIC U-boat.

UBOOTSIM is a WWII submarine simulator meant to be played patiently: observe, calculate and pick the exact moment to fire.

What you do

Periscope with compass, elevation and target tracking. Hydrophone to locate ships without surfacing. Torpedo Data Computer (TDC): manual for purists, or automatic (easy mode) if you'd rather focus on tactics. Torpedo tracking window to watch every shot run to the target. Deck gun for surface targets. Real nautical chart of the Strait, plot your course with a click. Escorted convoys, hunting destroyers and patrol aircraft. Day, night and storm scenarios.

Game modes

Patrol: hunt convoys around the Strait. Mission: run the Strait between the Atlantic and the Mediterranean, with fewer aids, currents and Gibraltar's defences. Historical mission: Force H and the carrier Ark Royal. Wolfpack attack alongside other U-boats.

War diary with your tally of successes. Interface in English, Spanish and German.

UBOOTSIM is free, with no ads and no in-game purchases. It is made by a single developer as a hobby.