SubSurvival: SSN-13 "Grendel" — Steam game overview

Stored observation / content update: 2026-11-07T17:30:04.000Z

A deep, detailed combat submarine simulator with a lo-fi aesthetic. Manage crew, nuclear reactor, radio, sonar, radar and power all while remaining undetected and completing the mission.

Game metrics below are stored observations; missing values are unknown.

Revenue is modelled, not confirmed sales. See the methodology and uncertainty range.