The Game Census
Postmouse cover art

Postmouse

Critters Collective · The Animation Workshop · 2023-01-30

Steam

AdventureFree To PlayIndie

Modes: Single player · Perspectives: Third person

Releases: Jan 30, 2023 (PC (Microsoft Windows))

Join Postmouse on their very first journey to deliver mail in a treacherous world unfit for a tiny mouse. Explore the ruins, meet charming characters and solve puzzles on your way through an abandoned mansion in this free, student-made adventure - all in one small mouse-sized package! 

Postmouse is an Adventure, Free To Play, Indie game released in 2023, priced as free-to-play, with an estimated owner count of 100,000 .. 200,000 and a review sentiment of Very Positive (90% of 1639 reviews).

4
playing now
90%
positive of 1.6k reviews
Very Positive
steam's rating (official)
100,000–200,000
owners (SteamSpy est.)
gold
deck/linux tier (ProtonDB)
Unsupported
Steam Deck (Valve)
SteamOS: Unsupported
Free
steam price (US)

4 players in-game as of 2026-10-15 07:00 UTC (census sample)

Health check

Quietly active
  • · 4 players in-game at the last census sample.
  • · 155 reviews in the last 8 weeks (~19/week).
  • · Review velocity down 10% vs the prior 8 weeks.
  • · Top 10% of 28,945 Adventure games in the census by review count.

Health tier since 2026-08-31

Review momentum

PositiveNegative
33633620232026Week of 2023-01-01: 32 positiveWeek of 2023-02-01: 336 positiveWeek of 2023-02-01: 31 negativeWeek of 2023-03-01: 94 positiveWeek of 2023-03-01: 13 negativeWeek of 2023-04-01: 66 positiveWeek of 2023-04-01: 4 negativeWeek of 2023-05-01: 42 positiveWeek of 2023-05-01: 5 negativeWeek of 2023-06-01: 40 positiveWeek of 2023-06-01: 2 negativeWeek of 2023-07-01: 48 positiveWeek of 2023-07-01: 3 negativeWeek of 2023-08-01: 23 positiveWeek of 2023-08-01: 10 negativeWeek of 2023-09-01: 22 positiveWeek of 2023-09-01: 3 negativeWeek of 2023-10-01: 13 positiveWeek of 2023-10-01: 1 negativeWeek of 2023-11-01: 76 positiveWeek of 2023-11-01: 3 negativeWeek of 2023-12-01: 39 positiveWeek of 2023-12-01: 9 negativeWeek of 2024-01-01: 57 positiveWeek of 2024-01-01: 6 negativeWeek of 2024-02-01: 42 positiveWeek of 2024-02-01: 4 negativeWeek of 2024-03-01: 36 positiveWeek of 2024-03-01: 8 negativeWeek of 2024-04-01: 21 positiveWeek of 2024-04-01: 4 negativeWeek of 2024-05-01: 26 positiveWeek of 2024-05-01: 2 negativeWeek of 2024-06-01: 18 positiveWeek of 2024-06-01: 4 negativeWeek of 2024-07-01: 29 positiveWeek of 2024-07-01: 5 negativeWeek of 2024-08-01: 28 positiveWeek of 2024-08-01: 3 negativeWeek of 2024-09-01: 30 positiveWeek of 2024-09-01: 2 negativeWeek of 2024-10-01: 17 positiveWeek of 2024-10-01: 1 negativeWeek of 2024-11-01: 12 positiveWeek of 2024-11-01: 4 negativeWeek of 2024-12-01: 27 positiveWeek of 2025-01-01: 24 positiveWeek of 2025-01-01: 2 negativeWeek of 2025-02-01: 19 positiveWeek of 2025-03-01: 20 positiveWeek of 2025-03-01: 1 negativeWeek of 2025-04-01: 19 positiveWeek of 2025-04-01: 3 negativeWeek of 2025-05-01: 19 positiveWeek of 2025-05-01: 4 negativeWeek of 2025-06-01: 25 positiveWeek of 2025-06-01: 4 negativeWeek of 2025-07-01: 21 positiveWeek of 2025-07-01: 5 negativeWeek of 2025-08-01: 15 positiveWeek of 2025-08-01: 1 negativeWeek of 2025-09-01: 15 positiveWeek of 2025-09-01: 3 negativeWeek of 2025-10-01: 18 positiveWeek of 2025-10-01: 1 negativeWeek of 2025-11-01: 19 positiveWeek of 2025-12-01: 17 positiveWeek of 2025-12-01: 2 negativeWeek of 2026-01-01: 25 positiveWeek of 2026-01-01: 1 negativeWeek of 2026-02-01: 18 positiveWeek of 2026-02-01: 3 negativeWeek of 2026-03-01: 20 positiveWeek of 2026-03-01: 4 negativeWeek of 2026-04-01: 14 positiveWeek of 2026-04-01: 1 negativeWeek of 2026-05-01: 16 positiveWeek of 2026-05-01: 1 negativeWeek of 2026-06-01: 10 positiveWeek of 2026-06-01: 3 negativeWeek of 2026-07-01: 16 positiveWeek of 2026-07-01: 4 negativeWeek of 2026-08-01: 15 positiveWeek of 2026-08-01: 2 negative
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

1312026-09-15 16:00 — 10 players2026-09-17 00:00 — 3 players2026-09-18 08:00 — 3 players2026-09-19 15:00 — 13 players2026-09-20 23:00 — 6 players2026-09-22 06:00 — 5 players2026-09-23 14:00 — 13 players2026-09-24 21:00 — 3 players2026-09-26 05:00 — 4 players2026-09-27 12:00 — 10 players2026-09-28 20:00 — 1 players2026-09-30 03:00 — 3 players2026-10-01 11:00 — 7 players2026-10-02 18:00 — 6 players2026-10-04 02:00 — 5 players2026-10-05 10:00 — 2 players2026-10-06 18:00 — 3 players2026-10-08 01:00 — 3 players2026-10-09 09:00 — 6 players2026-10-10 16:00 — 8 players2026-10-12 00:00 — 5 players2026-10-13 07:00 — 3 players2026-10-14 15:00 — 4 players2026-10-15 07:00 — 4 players
Concurrent players, hourly average, last 30 days (census samples).
475Feb 2023Aug 2026Feb 2023 — avg 47 · peak 114Apr 2023 — avg 11 · peak 33Jun 2023 — avg 8 · peak 22Aug 2023 — avg 7 · peak 18Oct 2023 — avg 6 · peak 17Dec 2023 — avg 10 · peak 24Feb 2024 — avg 9 · peak 23Apr 2024 — avg 7 · peak 23Jun 2024 — avg 6 · peak 16Aug 2024 — avg 6 · peak 17Oct 2024 — avg 6 · peak 18Dec 2024 — avg 5 · peak 15Feb 2025 — avg 7 · peak 20Apr 2025 — avg 6 · peak 18Jun 2025 — avg 6 · peak 21Aug 2025 — avg 6 · peak 17Oct 2025 — avg 5 · peak 15Dec 2025 — avg 6 · peak 14Feb 2026 — avg 6 · peak 18Apr 2026 — avg 6 · peak 17Jun 2026 — avg 7 · peak 18Aug 2026 — avg 6 · peak 14
Monthly average players (source: steamcharts.com) — history via steamcharts.com; live census sampling since Aug 2026.

Details

WindowsFull controller supportSingle-playerFull controller supportFamily Sharing1 DLC

Post-launch support: 1 DLC released, first 2023-01-30 (Steam store data)

Player tags

3DCuteIndieLinearFantasyAdventurePlatformerAtmosphericExplorationConversation

Census log

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

Players also track

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Similarity via IGDB.