The Game Census
Iron Lung cover art

Iron Lung

David Szymanski · 2022-03-09

SteamGOGPlayStation Store

AdventureIndieSimulation

Modes: Single player · Perspectives: First person

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.

Iron Lung is an Adventure, Indie, Simulation game released in 2022, priced at $7.99, with an estimated 200,000 .. 500,000 owners and a Very Positive (92% of 11203 reviews) sentiment.

7
playing now
92%
positive of 11k reviews
Very Positive
steam's rating (official)
200,000–500,000
owners (SteamSpy est.)
79/100
IGDB user rating (60 ratings)
9
Nexus mods (3.3k downloads)
4.67★
PlayStation Store rating (707 ratings)
1h
time to beat (IGDB)
platinum
deck/linux tier (ProtonDB)
Playable
Steam Deck (Valve)
SteamOS: Playable
$7.99
steam price (US)

7 players in-game as of 2026-10-14 12:00 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".

Trailer

Iron Lung trailer thumbnail

IRON LUNG | Official Trailer (2026)

≈776,842 YouTube results for this game's trailer search

Health check

Healthy
  • · 7 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 3% of 28,763 Adventure games in the census by review count.

Health tier since 2026-08-27

Estimated sales: 226k–509k copies

Review-multiple estimate from 11,318 total reviews — how this is computed.

Current store prices

GOG$3.99-50%

Deal snapshots via CheapShark, refreshed daily.

All-time low: $2.45 at Fanatical (2026-09-14) · bundled 4×via IsThereAnyDeal

12-month high $7.99 · on sale 58 of 80 observed days · $1.54 above the 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

1712026-09-15 13:00 — 2 players2026-09-16 21:00 — 5 players2026-09-18 05:00 — 6 players2026-09-19 12:00 — 10 players2026-09-20 20:00 — 17 players2026-09-22 03:00 — 7 players2026-09-23 11:00 — 2 players2026-09-24 18:00 — 5 players2026-09-26 02:00 — 8 players2026-09-27 09:00 — 5 players2026-09-28 17:00 — 7 players2026-09-30 00:00 — 7 players2026-10-01 08:00 — 5 players2026-10-02 15:00 — 7 players2026-10-03 23:00 — 10 players2026-10-05 07:00 — 5 players2026-10-06 15:00 — 3 players2026-10-07 22:00 — 17 players2026-10-09 06:00 — 7 players2026-10-10 13:00 — 11 players2026-10-11 21:00 — 14 players2026-10-13 04:00 — 15 players2026-10-14 12:00 — 7 players
Concurrent players, hourly average, last 30 days (census samples).
1403Mar 2022Aug 2026Mar 2022 — avg 13 · peak 58May 2022 — avg 23 · peak 70Jul 2022 — avg 36 · peak 134Sep 2022 — avg 6 · peak 19Nov 2022 — avg 8 · peak 65Jan 2023 — avg 7 · peak 22Mar 2023 — avg 8 · peak 28May 2023 — avg 11 · peak 38Jul 2023 — avg 19 · peak 59Sep 2023 — avg 6 · peak 23Nov 2023 — avg 10 · peak 94Jan 2024 — avg 7 · peak 20Mar 2024 — avg 5 · peak 17May 2024 — avg 4 · peak 14Jul 2024 — avg 5 · peak 16Sep 2024 — avg 4 · peak 9Nov 2024 — avg 5 · peak 29Jan 2025 — avg 4 · peak 14Mar 2025 — avg 4 · peak 15May 2025 — avg 3 · peak 14Jul 2025 — avg 5 · peak 17Oct 2025 — avg 4 · peak 24Dec 2025 — avg 23 · peak 79Feb 2026 — avg 140 · peak 572Apr 2026 — avg 11 · peak 34Jun 2026 — avg 17 · peak 41Aug 2026 — avg 9 · peak 24
Monthly average players (source: steamcharts.com) — history via steamcharts.com; live census sampling since Aug 2026.

Price history

$7.99$3.992022-03-102026-10-142022-03-10 — best price $5.392022-10-25 — best price $5.392022-12-22 — best price $5.392023-04-28 — best price $5.992023-07-28 — best price $5.992023-11-02 — best price $7.992024-01-18 — best price $6.392024-03-25 — best price $5.992024-06-27 — best price $5.992024-10-28 — best price $5.592024-12-09 — best price $5.592025-01-23 — best price $5.592025-04-28 — best price $5.192025-08-04 — best price $5.192025-10-20 — best price $4.792025-12-18 — best price $4.392026-02-04 — best price $7.992026-03-04 — best price $3.992026-03-26 — best price $7.992026-05-18 — best price $3.992026-07-09 — best price $7.992026-08-23 — best price $7.992026-08-28 — best price $3.992026-09-01 — best price $3.992026-09-05 — best price $3.992026-09-09 — best price $3.992026-09-13 — best price $7.992026-09-17 — best price $3.992026-09-21 — best price $3.992026-09-25 — best price $3.992026-09-29 — best price $3.992026-10-03 — best price $3.992026-10-07 — best price $7.992026-10-11 — best price $7.992026-10-14 — best price $3.99
Lowest recorded price across tracked stores, per day (census snapshots).

Attention

6.5k4382026-05-30 — 3,804 pageviews2026-06-03 — 4,405 pageviews2026-06-07 — 3,907 pageviews2026-06-11 — 3,025 pageviews2026-06-15 — 2,314 pageviews2026-06-19 — 1,648 pageviews2026-06-23 — 1,300 pageviews2026-06-27 — 1,366 pageviews2026-07-01 — 1,097 pageviews2026-07-05 — 1,283 pageviews2026-07-09 — 1,021 pageviews2026-07-13 — 989 pageviews2026-07-17 — 863 pageviews2026-07-21 — 761 pageviews2026-07-25 — 778 pageviews2026-07-29 — 721 pageviews2026-08-02 — 823 pageviews2026-08-06 — 555 pageviews2026-08-10 — 636 pageviews2026-08-14 — 572 pageviews2026-08-18 — 569 pageviews2026-08-22 — 611 pageviews2026-08-26 — 518 pageviews2026-08-30 — 564 pageviews2026-09-03 — 542 pageviews2026-09-07 — 657 pageviews2026-09-11 — 479 pageviews2026-09-15 — 469 pageviews2026-09-19 — 558 pageviews2026-09-23 — 527 pageviews2026-09-27 — 673 pageviews2026-10-01 — 635 pageviews2026-10-05 — 520 pageviews2026-10-08 — 534 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

Post-launch support: 1 DLC released, first 2022-03-10 (Steam store data)

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.

Where its players are

Share of Steam reviews by language (top languages measured) — a proxy for where the player base lives.

Player tags

3DIndieShortHorrorSci-fiAbstractAdventureSubmarineMinimalistUnderwater

Census log

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

Players also track

Star Control®: OriginsDon't Knock TwiceHouse of CaravanRusty Lake HotelPLANET ALPHARusty Lake: RootsThe Last JourneyVisage

Similarity via IGDB.

Official site ↗Discord ↗Wikipedia ↗