The Game Census
The Sirena Expedition cover art

The Sirena Expedition

Giraffe Cat · 2023-10-26

Steam

AdventureIndie

Modes: Single player · Perspectives: Third person, Side view

Releases: Oct 26, 2023 (PC (Microsoft Windows)), Aug 16, 2024 (Nintendo Switch)

The Sirena Expedition is a short PSX-style horror-platformer in which you explore a mysterious underwater facility.

The Sirena Expedition is a $5.99 Adventure and Indie game released in 2023, with an estimated 50,000 to 100,000 owners and a Very Positive review sentiment (82% of 137 reviews).

0
playing now
83%
positive of 139 reviews
Very Positive
steam's rating (official)
50,000–100,000
owners (SteamSpy est.)
70/100
critic score (1 outlets, IGDB)
pending
deck/linux tier (ProtonDB)
Playable
Steam Deck (Valve)
SteamOS: Playable
$5.99
steam price (US)

0 players in-game as of 2026-10-14 19:00 UTC (census sample)

Explore a mysterious, abandoned underwater facility at the bottom of the Mariana trench. Who built it? What was it used for? Perhaps you will find answers, or perhaps the answers will find you.(Storyline via IGDB)

Health check

Quietly active
  • · 0 players in-game at the last census sample.
  • · 25 reviews in the last 8 weeks (~3/week).
  • · Review velocity down 24% vs the prior 8 weeks.
  • · Top 35% of 28,771 Adventure games in the census by review count.

Health tier since 2026-09-01

Estimated sales: 2.8k–6.3k copies

Review-multiple estimate from 139 total reviews — how this is computed.

All-time low: $1.19 at Steam (2025-10-27) · bundled 1×via IsThereAnyDeal

12-month high $5.99 · on sale 5 of 10 observed days (census price snapshots)

Review momentum

PositiveNegative
171720232026Week of 2023-10-01: 17 positiveWeek of 2023-10-01: 1 negativeWeek of 2023-11-01: 9 positiveWeek of 2023-11-01: 5 negativeWeek of 2023-12-01: 3 positiveWeek of 2023-12-01: 1 negativeWeek of 2024-01-01: 3 positiveWeek of 2024-01-01: 2 negativeWeek of 2024-02-01: 1 positiveWeek of 2024-02-01: 2 negativeWeek of 2024-03-01: 4 positiveWeek of 2024-03-01: 1 negativeWeek of 2024-04-01: 2 positiveWeek of 2024-05-01: 3 positiveWeek of 2024-06-01: 4 positiveWeek of 2024-07-01: 3 positiveWeek of 2024-07-01: 4 negativeWeek of 2024-08-01: 4 positiveWeek of 2024-08-01: 2 negativeWeek of 2024-09-01: 3 positiveWeek of 2024-10-01: 4 positiveWeek of 2024-11-01: 8 positiveWeek of 2024-12-01: 3 positiveWeek of 2025-01-01: 4 positiveWeek of 2025-03-01: 4 positiveWeek of 2025-03-01: 3 negativeWeek of 2025-04-01: 3 positiveWeek of 2025-05-01: 3 positiveWeek of 2025-06-01: 2 positiveWeek of 2025-07-01: 1 positiveWeek of 2025-07-01: 2 negativeWeek of 2025-10-01: 2 positiveWeek of 2025-10-01: 2 negativeWeek of 2025-11-01: 4 positiveWeek of 2025-11-01: 2 negativeWeek of 2026-01-01: 1 positiveWeek of 2026-03-01: 2 positiveWeek of 2026-04-01: 1 positiveWeek of 2026-05-01: 5 positiveWeek of 2026-06-01: 2 positiveWeek of 2026-06-01: 1 negativeWeek of 2026-07-01: 3 positiveWeek of 2026-08-01: 1 positiveWeek of 2026-08-01: 1 negative
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

102026-09-15 04:00 — 0 players2026-09-16 12:00 — 0 players2026-09-17 20:00 — 0 players2026-09-19 03:00 — 0 players2026-09-20 11:00 — 0 players2026-09-21 19:00 — 1 players2026-09-23 02:00 — 0 players2026-09-24 10:00 — 0 players2026-09-25 17:00 — 0 players2026-09-27 01:00 — 0 players2026-09-28 08:00 — 0 players2026-09-29 16:00 — 0 players2026-09-30 23:00 — 1 players2026-10-02 07:00 — 0 players2026-10-03 14:00 — 0 players2026-10-04 22:00 — 0 players2026-10-06 06:00 — 0 players2026-10-07 13:00 — 0 players2026-10-08 21:00 — 0 players2026-10-10 04:00 — 0 players2026-10-11 12:00 — 0 players2026-10-12 20:00 — 0 players2026-10-14 03:00 — 0 players2026-10-14 19:00 — 0 players
Concurrent players, hourly average, last 30 days (census samples).

Price history

$5.99$1.192023-10-262026-07-092023-10-26 — best price $4.792023-11-02 — best price $5.992023-12-21 — best price $4.192024-01-04 — best price $5.992024-02-26 — best price $2.992024-03-04 — best price $5.992024-04-04 — best price $2.992024-04-11 — best price $5.992024-06-27 — best price $2.992024-07-11 — best price $5.992024-08-16 — best price $4.792024-08-23 — best price $5.992024-10-28 — best price $1.492024-11-04 — best price $5.992024-12-19 — best price $2.992025-01-02 — best price $5.992025-03-03 — best price $1.492025-03-10 — best price $5.992025-05-01 — best price $2.392025-05-08 — best price $5.992025-06-26 — best price $1.492025-07-10 — best price $5.992025-09-01 — best price $2.392025-09-08 — best price $5.992025-10-27 — best price $1.192025-11-03 — best price $5.992025-12-18 — best price $1.792026-01-05 — best price $5.992026-03-13 — best price $2.392026-03-19 — best price $5.992026-05-18 — best price $1.492026-05-25 — best price $5.992026-06-25 — best price $1.192026-07-09 — best price $5.99
Lowest recorded price across tracked stores, per day (census snapshots).

Completion

12
achievements tracked
76.5%
earned "I Opened My Eyes"
20.9%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsSingle-playerGamepad RecommendedPartial Controller SupportFamily Sharing1 DLC

Post-launch support: 1 DLC released, first 2024-04-15 (Steam store data)

Player tags

2.5DRetroHorrorLinearMysteryAdventureNarrationOld SchoolPlatformerUnderwater

Census log

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

Players also track

Don't Knock TwiceHouse of CaravanToby: The Secret MineRusty Lake HotelPLANET ALPHARusty Lake: RootsForgotton AnneSemblance

Similarity via IGDB.

Official site ↗