The Game Census
Iron Lung cover art

Iron Lung

David Szymanski · 2022-03-09

SteamGOGPlayStation Store

AdventureIndieSimulation

Modes: Single player

Releases: Mar 10, 2022 (PC (Microsoft Windows)), Dec 19, 2022 (Nintendo Switch), Oct 16, 2025 (PlayStation 5)

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

10
playing now
92%
positive of 11k reviews
Very Positive
steam rating
200,000–500,000
owners (SteamSpy est.)
79/100
IGDB user rating (60 ratings)
1h
time to beat (IGDB)
platinum
deck/linux tier (ProtonDB)
$7.99
steam price (US)

10 players in-game as of 2026-08-30 02:00 UTC (census sample)

Iron Lung is a 2022 submarine simulation horror game developed and published by David Szymanski. The player controls an unnamed convict who explores an ocean of blood on a desolate moon in a small, rusty submarine nicknamed the "Iron Lung".

Health check

Healthy
  • · 10 players in-game at the last census sample.
  • · 2,391 reviews in the last 8 weeks (~299/week).
  • · Review velocity up 551% vs the prior 8 weeks.
  • · Top 7% of 11,362 Adventure games in the census by review count.

Health tier since 2026-08-27

Estimated sales: 224k–504k copies

Review-multiple estimate from 11,203 total reviews — how this is computed.

Current store prices

GOG$3.99-50%
lowest across shops (ITAD)$3.99-50%

Deal snapshots via CheapShark, refreshed daily.

All-time low: $3.99 at GOG (2026-01-23) · bundled 4×via IsThereAnyDeal

12-month high $7.99 · on sale 25 of 37 observed days · at its all-time low (census price snapshots)

Review momentum

PositiveNegative
1.5k1.5k20222026Week of 2022-03-01: 593 positiveWeek of 2022-03-01: 19 negativeWeek of 2022-04-01: 1,489 positiveWeek of 2022-04-01: 95 negativeWeek of 2022-05-01: 527 positiveWeek of 2022-05-01: 43 negativeWeek of 2022-06-01: 321 positiveWeek of 2022-06-01: 26 negativeWeek of 2022-07-01: 568 positiveWeek of 2022-07-01: 64 negativeWeek of 2022-08-01: 170 positiveWeek of 2022-08-01: 20 negativeWeek of 2022-09-01: 94 positiveWeek of 2022-09-01: 6 negativeWeek of 2022-10-01: 191 positiveWeek of 2022-10-01: 18 negativeWeek of 2022-11-01: 391 positiveWeek of 2022-11-01: 12 negativeWeek of 2022-12-01: 131 positiveWeek of 2022-12-01: 13 negativeWeek of 2023-01-01: 119 positiveWeek of 2023-01-01: 9 negativeWeek of 2023-02-01: 103 positiveWeek of 2023-02-01: 2 negativeWeek of 2023-03-01: 133 positiveWeek of 2023-03-01: 4 negativeWeek of 2023-04-01: 207 positiveWeek of 2023-04-01: 17 negativeWeek of 2023-05-01: 160 positiveWeek of 2023-05-01: 14 negativeWeek of 2023-06-01: 336 positiveWeek of 2023-06-01: 28 negativeWeek of 2023-07-01: 255 positiveWeek of 2023-07-01: 16 negativeWeek of 2023-08-01: 96 positiveWeek of 2023-08-01: 9 negativeWeek of 2023-09-01: 97 positiveWeek of 2023-09-01: 9 negativeWeek of 2023-10-01: 169 positiveWeek of 2023-10-01: 14 negativeWeek of 2023-11-01: 155 positiveWeek of 2023-11-01: 13 negativeWeek of 2023-12-01: 106 positiveWeek of 2023-12-01: 14 negativeWeek of 2024-01-01: 91 positiveWeek of 2024-01-01: 15 negativeWeek of 2024-02-01: 45 positiveWeek of 2024-02-01: 7 negativeWeek of 2024-03-01: 74 positiveWeek of 2024-03-01: 10 negativeWeek of 2024-04-01: 58 positiveWeek of 2024-04-01: 3 negativeWeek of 2024-05-01: 56 positiveWeek of 2024-05-01: 6 negativeWeek of 2024-06-01: 61 positiveWeek of 2024-06-01: 7 negativeWeek of 2024-07-01: 69 positiveWeek of 2024-07-01: 8 negativeWeek of 2024-08-01: 50 positiveWeek of 2024-08-01: 7 negativeWeek of 2024-09-01: 30 positiveWeek of 2024-09-01: 8 negativeWeek of 2024-10-01: 54 positiveWeek of 2024-10-01: 6 negativeWeek of 2024-11-01: 46 positiveWeek of 2024-11-01: 15 negativeWeek of 2024-12-01: 76 positiveWeek of 2024-12-01: 11 negativeWeek of 2025-01-01: 52 positiveWeek of 2025-01-01: 9 negativeWeek of 2025-02-01: 41 positiveWeek of 2025-02-01: 3 negativeWeek of 2025-03-01: 49 positiveWeek of 2025-03-01: 7 negativeWeek of 2025-04-01: 31 positiveWeek of 2025-04-01: 8 negativeWeek of 2025-05-01: 45 positiveWeek of 2025-05-01: 11 negativeWeek of 2025-06-01: 29 positiveWeek of 2025-06-01: 5 negativeWeek of 2025-07-01: 44 positiveWeek of 2025-07-01: 8 negativeWeek of 2025-08-01: 41 positiveWeek of 2025-08-01: 8 negativeWeek of 2025-09-01: 20 positiveWeek of 2025-09-01: 6 negativeWeek of 2025-10-01: 50 positiveWeek of 2025-10-01: 7 negativeWeek of 2025-11-01: 48 positiveWeek of 2025-11-01: 6 negativeWeek of 2025-12-01: 159 positiveWeek of 2025-12-01: 24 negativeWeek of 2026-01-01: 288 positiveWeek of 2026-01-01: 21 negativeWeek of 2026-02-01: 1,033 positiveWeek of 2026-02-01: 73 negativeWeek of 2026-03-01: 240 positiveWeek of 2026-03-01: 22 negativeWeek of 2026-04-01: 90 positiveWeek of 2026-04-01: 5 negativeWeek of 2026-05-01: 134 positiveWeek of 2026-05-01: 10 negativeWeek of 2026-06-01: 137 positiveWeek of 2026-06-01: 22 negativeWeek of 2026-07-01: 116 positiveWeek of 2026-07-01: 17 negativeWeek of 2026-08-01: 90 positiveWeek of 2026-08-01: 16 negative
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

1722026-08-07 00:00 — 6 players2026-08-07 08:00 — 3 players2026-08-07 16:00 — 7 players2026-08-08 00:00 — 11 players2026-08-08 08:00 — 3 players2026-08-08 16:00 — 15 players2026-08-09 00:00 — 7 players2026-08-09 08:00 — 4 players2026-08-09 16:00 — 13 players2026-08-10 00:00 — 8 players2026-08-10 08:00 — 5 players2026-08-10 17:00 — 8 players2026-08-11 01:00 — 12 players2026-08-11 09:00 — 5 players2026-08-11 17:00 — 4 players2026-08-13 00:00 — 10 players2026-08-14 08:00 — 2 players2026-08-15 16:00 — 15 players2026-08-17 00:00 — 10 players2026-08-18 07:00 — 6 players2026-08-19 15:00 — 15 players2026-08-20 22:00 — 17 players2026-08-22 06:00 — 15 players2026-08-23 13:00 — 11 players2026-08-24 21:00 — 13 players2026-08-26 05:00 — 3 players2026-08-27 13:00 — 6 players2026-08-28 18:00 — 10 players2026-08-30 02:00 — 10 players
Concurrent players, hourly average, last 30 days (census samples).

Price history

$7.99$3.992022-03-102026-08-302022-03-10 — best price $5.392022-07-07 — best price $5.992022-11-22 — best price $5.392023-03-16 — best price $5.092023-04-28 — best price $5.992023-07-21 — best price $5.092023-09-19 — best price $5.992023-11-13 — best price $5.992024-01-18 — best price $6.392024-03-21 — best price $7.992024-06-17 — best price $5.992024-07-11 — best price $7.992024-10-28 — best price $5.592024-12-04 — best price $7.992024-12-19 — best price $5.592025-01-30 — best price $7.992025-04-28 — best price $5.192025-07-10 — best price $7.992025-09-29 — best price $5.192025-11-03 — best price $7.992025-12-18 — best price $4.392026-01-30 — best price $3.992026-02-12 — best price $3.992026-03-11 — best price $3.992026-03-26 — best price $7.992026-05-14 — best price $3.992026-06-17 — best price $3.992026-07-21 — best price $3.992026-08-23 — best price $7.992026-08-27 — best price $3.992026-08-30 — best price $3.99
Lowest recorded price across tracked stores, per day (census snapshots).

Attention

6.5k4902026-05-30 — 3,804 pageviews2026-06-02 — 5,610 pageviews2026-06-05 — 3,675 pageviews2026-06-08 — 3,609 pageviews2026-06-11 — 3,025 pageviews2026-06-14 — 2,764 pageviews2026-06-17 — 1,807 pageviews2026-06-20 — 1,712 pageviews2026-06-23 — 1,300 pageviews2026-06-26 — 1,149 pageviews2026-06-29 — 1,211 pageviews2026-07-02 — 1,297 pageviews2026-07-05 — 1,283 pageviews2026-07-08 — 1,218 pageviews2026-07-11 — 1,102 pageviews2026-07-14 — 889 pageviews2026-07-17 — 863 pageviews2026-07-20 — 900 pageviews2026-07-23 — 729 pageviews2026-07-26 — 855 pageviews2026-07-29 — 721 pageviews2026-08-01 — 781 pageviews2026-08-04 — 627 pageviews2026-08-07 — 607 pageviews2026-08-10 — 636 pageviews2026-08-13 — 589 pageviews2026-08-16 — 679 pageviews2026-08-19 — 536 pageviews2026-08-22 — 611 pageviews2026-08-25 — 549 pageviews2026-08-27 — 490 pageviews
Daily Wikipedia pageviews (attention proxy, census-recorded).

Completion

7
achievements tracked
67.3%
earned "Spatial Awareness"
45%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsSingle-playerSteam AchievementsSteam Trading CardsCamera ComfortPlayable without Timed InputStereo SoundPartial Controller SupportSteam CloudFamily Sharing1 DLC

Console footprint

PlatformPlayers trackedCompletionTrophies/achievements
Steam (Steam)5,79035%7
PS5 (PlayStation)49347%7
Switch (Nintendo)650%0

Players tracked by Exophase (achievement/trophy trackers) — a sample of the player base, not total sales.

Player tags

3DIndieShortHorrorSci-fiAbstractAdventureSubmarineMinimalistUnderwater

Census log

Computed from census-recorded observations only — dates are observation dates.

Recent updates

Players also track

Star Control®: OriginsDon't Knock TwiceHouse of CaravanRusty Lake HotelPLANET ALPHARusty Lake: RootsVisageDream Alone

Similarity via IGDB.

Official site ↗Discord ↗Wikipedia ↗