Uboat Attack places you in command of a submarine for tactical naval warfare. The game includes three distinct modes: engaging in direct naval battles, liberating territories from enemy control, and completing a variety of missions. Players can upgrade their submarines, equip different ammunition types, and utilize tactical boosters to gain advantages in combat.

The simulation incorporates realistic damage effects and authentic ship models. Combat scenarios involve tracking and destroying real warships, with diverse damage types impacting gameplay. Players can explore varied underwater locations for tactical advantage and prepare ambushes. The game also features bonus missions targeting enemy aircraft.