Iron Lung
Adventure
Indie
Simulation
Single-player
Steam Achievements
Steam Trading Cards
Camera Comfort
Playable without Timed Input
Stereo Sound
Partial Controller Support
Steam Cloud
Family Sharing

A short horror game where you pilot a tiny submarine through an ocean of blood on an alien moon.

Developers: David Szymanski
Publishers: David Szymanski
Release Date: Mar 9, 2022
Price (USD): $7.99
Current Players: 10

Links:  Steam Store  SteamDB

Very Positive(92%)
immersive atmosphere
unique concept
sound design
effective suspense
thrilling experience
coordinate navigation
minimalist graphics
submarine theme
claustrophobia
very short
repetitive gameplay
anticlimactic ending
lacking story
Overall, the sentiment around the game is marked by high praise for the immersive atmosphere and unique use of sound design, making it a standout example of effective horror gameplay. However, it also faces criticism for its short length and repetitive mechanics, with some players feeling the price does not match the content provided. The game's use of minimalist graphics and the submarine navigation theme create a concept that is both appealing and occasionally frustrating. The release of the related movie seems to have amplified interest and discussion around the game, adding a new dimension to its reception.

Positive Points

  • The game's atmosphere is highly immersive and establishes effective suspense, contributing to the overall horror experience.
  • Many players enjoyed the unique concept of navigating a submarine using coordinates without any visual cues beyond a camera.
  • The sound design is praised for being on point, complementing the claustrophobic and eerie ambiance.
  • Despite its short length, the game effectively builds tension, providing a thrilling and memorable experience in a condensed playtime.
  • Negative Points

  • The game is criticized for being very short, with some players feeling that the playtime of approximately one hour is insufficient for its price.
  • The gameplay can become repetitive, focusing heavily on coordinate navigation without much variation or substantial gameplay mechanics.
  • Some reviewers felt the ending was anticlimactic, especially since much of the game builds suspense leading to a predictable conclusion.
  • There are critiques regarding the lack of story development, with some players desiring more exploration of the lore and backstory.
  • Mixed Points

  • The navigation system and controls were highlighted as both a challenge and a frustration; some found navigating by coordinates engaging, while others saw it as tedious.
  • The game’s minimalist graphics and aesthetic choices contributed to the atmosphere for some, while others felt the visuals and gameplay were too simplistic.
  • Common Themes

  • Many reviews mention the recently released movie related to the game, showing crossover interest between game and film audiences.
  • The horror elements are largely based on atmosphere and psychological tension rather than traditional jump scares.
  • The game's setting in a submarine navigating a blood ocean aligns with themes of claustrophobia and the fear of the unknown.
  • Updated 2/3/2026, 12:02:01 AM UTC