The Game Census
MONMUSU cover art

MONMUSU

Tentacle Games · NEKO WORKs · 2018-05-11

Steam

CasualFree To PlayIndie

Modes: Single player

Releases: Nov 2017 (PC (Microsoft Windows))

You are an up and coming summoner and a lover of monster girls. Earn money to gather up summoning materialsand summon monster girls!

MONMUSU is a Casual, Free To Play, Indie game released in 2018, free-to-play, with an estimated 500,000 .. 1,000,000 owners and a Very Positive review sentiment (80% of 5246 reviews).

13
playing now
80%
positive of 5.3k reviews
Very Positive
steam's rating (official)
500,000–1,000,000
owners (SteamSpy est.)
platinum
deck/linux tier (ProtonDB)
Free
steam price (US)

13 players in-game as of 2026-10-15 03:00 UTC (census sample)

Trailer

MONMUSU trailer thumbnail

The Fictional Pyramid Presents: Monmusu National Park (Trailer)

≈235,629 YouTube results for this game's trailer search

Health check

Quietly active
  • · 13 players in-game at the last census sample.
  • · 64 reviews in the last 8 weeks (~8/week).
  • · Review velocity down 21% vs the prior 8 weeks.
  • · Current weekly pace is under 5% of the all-time peak week (902 reviews).
  • · Top 3% of 29,339 Casual games in the census by review count.

Review momentum

PositiveNegative
56956920182026Week of 2018-05-01: 569 positiveWeek of 2018-05-01: 333 negativeWeek of 2018-06-01: 203 positiveWeek of 2018-06-01: 69 negativeWeek of 2018-07-01: 182 positiveWeek of 2018-07-01: 44 negativeWeek of 2018-08-01: 145 positiveWeek of 2018-08-01: 46 negativeWeek of 2018-09-01: 65 positiveWeek of 2018-09-01: 11 negativeWeek of 2018-10-01: 56 positiveWeek of 2018-10-01: 17 negativeWeek of 2018-11-01: 113 positiveWeek of 2018-11-01: 14 negativeWeek of 2018-12-01: 67 positiveWeek of 2018-12-01: 12 negativeWeek of 2019-01-01: 84 positiveWeek of 2019-01-01: 15 negativeWeek of 2019-02-01: 66 positiveWeek of 2019-02-01: 6 negativeWeek of 2019-03-01: 58 positiveWeek of 2019-03-01: 9 negativeWeek of 2019-04-01: 52 positiveWeek of 2019-04-01: 6 negativeWeek of 2019-05-01: 47 positiveWeek of 2019-05-01: 3 negativeWeek of 2019-06-01: 139 positiveWeek of 2019-06-01: 11 negativeWeek of 2019-07-01: 151 positiveWeek of 2019-07-01: 15 negativeWeek of 2019-08-01: 43 positiveWeek of 2019-08-01: 9 negativeWeek of 2019-09-01: 37 positiveWeek of 2019-09-01: 5 negativeWeek of 2019-10-01: 68 positiveWeek of 2019-10-01: 18 negativeWeek of 2019-11-01: 152 positiveWeek of 2019-11-01: 17 negativeWeek of 2019-12-01: 128 positiveWeek of 2019-12-01: 14 negativeWeek of 2020-01-01: 105 positiveWeek of 2020-01-01: 22 negativeWeek of 2020-02-01: 134 positiveWeek of 2020-02-01: 11 negativeWeek of 2020-03-01: 151 positiveWeek of 2020-03-01: 24 negativeWeek of 2020-04-01: 113 positiveWeek of 2020-04-01: 23 negativeWeek of 2020-05-01: 63 positiveWeek of 2020-05-01: 26 negativeWeek of 2020-06-01: 77 positiveWeek of 2020-06-01: 36 negativeWeek of 2020-07-01: 74 positiveWeek of 2020-07-01: 28 negativeWeek of 2020-08-01: 46 positiveWeek of 2020-08-01: 15 negativeWeek of 2020-09-01: 53 positiveWeek of 2020-09-01: 2 negativeWeek of 2020-10-01: 41 positiveWeek of 2020-10-01: 5 negativeWeek of 2020-11-01: 37 positiveWeek of 2020-11-01: 9 negativeWeek of 2020-12-01: 61 positiveWeek of 2020-12-01: 11 negativeWeek of 2021-01-01: 64 positiveWeek of 2021-01-01: 7 negativeWeek of 2021-02-01: 52 positiveWeek of 2021-02-01: 11 negativeWeek of 2021-03-01: 43 positiveWeek of 2021-03-01: 5 negativeWeek of 2021-04-01: 40 positiveWeek of 2021-04-01: 6 negativeWeek of 2021-05-01: 40 positiveWeek of 2021-05-01: 9 negativeWeek of 2021-06-01: 53 positiveWeek of 2021-06-01: 6 negativeWeek of 2021-07-01: 44 positiveWeek of 2021-07-01: 13 negativeWeek of 2021-08-01: 46 positiveWeek of 2021-08-01: 4 negativeWeek of 2021-09-01: 45 positiveWeek of 2021-09-01: 5 negativeWeek of 2021-10-01: 32 positiveWeek of 2021-10-01: 7 negativeWeek of 2021-11-01: 35 positiveWeek of 2021-11-01: 6 negativeWeek of 2021-12-01: 46 positiveWeek of 2021-12-01: 18 negativeWeek of 2022-01-01: 57 positiveWeek of 2022-01-01: 16 negativeWeek of 2022-02-01: 49 positiveWeek of 2022-02-01: 17 negativeWeek of 2022-03-01: 36 positiveWeek of 2022-03-01: 14 negativeWeek of 2022-04-01: 45 positiveWeek of 2022-04-01: 6 negativeWeek of 2022-05-01: 33 positiveWeek of 2022-05-01: 4 negativeWeek of 2022-06-01: 34 positiveWeek of 2022-06-01: 5 negativeWeek of 2022-07-01: 16 positiveWeek of 2022-07-01: 2 negativeWeek of 2022-08-01: 30 positiveWeek of 2022-08-01: 4 negativeWeek of 2022-09-01: 20 positiveWeek of 2022-09-01: 5 negativeWeek of 2022-10-01: 19 positiveWeek of 2022-10-01: 3 negativeWeek of 2022-11-01: 15 positiveWeek of 2022-11-01: 1 negativeWeek of 2022-12-01: 15 positiveWeek of 2022-12-01: 5 negativeWeek of 2023-01-01: 17 positiveWeek of 2023-01-01: 4 negativeWeek of 2023-02-01: 14 positiveWeek of 2023-02-01: 1 negativeWeek of 2023-03-01: 10 positiveWeek of 2023-03-01: 1 negativeWeek of 2023-04-01: 14 positiveWeek of 2023-04-01: 3 negativeWeek of 2023-05-01: 8 positiveWeek of 2023-05-01: 2 negativeWeek of 2023-06-01: 16 positiveWeek of 2023-06-01: 5 negativeWeek of 2023-07-01: 9 positiveWeek of 2023-07-01: 7 negativeWeek of 2023-08-01: 9 positiveWeek of 2023-08-01: 5 negativeWeek of 2023-09-01: 7 positiveWeek of 2023-09-01: 1 negativeWeek of 2023-10-01: 19 positiveWeek of 2023-10-01: 2 negativeWeek of 2023-11-01: 21 positiveWeek of 2023-11-01: 7 negativeWeek of 2023-12-01: 16 positiveWeek of 2023-12-01: 5 negativeWeek of 2024-01-01: 18 positiveWeek of 2024-01-01: 3 negativeWeek of 2024-02-01: 9 positiveWeek of 2024-02-01: 1 negativeWeek of 2024-03-01: 17 positiveWeek of 2024-03-01: 3 negativeWeek of 2024-04-01: 9 positiveWeek of 2024-04-01: 3 negativeWeek of 2024-05-01: 13 positiveWeek of 2024-05-01: 2 negativeWeek of 2024-06-01: 11 positiveWeek of 2024-06-01: 1 negativeWeek of 2024-07-01: 12 positiveWeek of 2024-08-01: 15 positiveWeek of 2024-08-01: 2 negativeWeek of 2024-09-01: 8 positiveWeek of 2024-09-01: 2 negativeWeek of 2024-10-01: 7 positiveWeek of 2024-10-01: 4 negativeWeek of 2024-11-01: 6 positiveWeek of 2024-11-01: 3 negativeWeek of 2024-12-01: 12 positiveWeek of 2024-12-01: 2 negativeWeek of 2025-01-01: 11 positiveWeek of 2025-01-01: 3 negativeWeek of 2025-02-01: 10 positiveWeek of 2025-02-01: 2 negativeWeek of 2025-03-01: 10 positiveWeek of 2025-03-01: 6 negativeWeek of 2025-04-01: 6 positiveWeek of 2025-04-01: 3 negativeWeek of 2025-05-01: 6 positiveWeek of 2025-05-01: 5 negativeWeek of 2025-06-01: 8 positiveWeek of 2025-06-01: 1 negativeWeek of 2025-07-01: 10 positiveWeek of 2025-07-01: 3 negativeWeek of 2025-08-01: 7 positiveWeek of 2025-08-01: 4 negativeWeek of 2025-09-01: 8 positiveWeek of 2025-09-01: 2 negativeWeek of 2025-10-01: 10 positiveWeek of 2025-10-01: 1 negativeWeek of 2025-11-01: 6 positiveWeek of 2025-11-01: 1 negativeWeek of 2025-12-01: 6 positiveWeek of 2025-12-01: 2 negativeWeek of 2026-01-01: 10 positiveWeek of 2026-01-01: 2 negativeWeek of 2026-02-01: 3 positiveWeek of 2026-02-01: 2 negativeWeek of 2026-03-01: 7 positiveWeek of 2026-04-01: 3 positiveWeek of 2026-04-01: 3 negativeWeek of 2026-05-01: 8 positiveWeek of 2026-06-01: 7 positiveWeek of 2026-07-01: 9 positiveWeek of 2026-07-01: 2 negativeWeek of 2026-08-01: 5 positiveWeek of 2026-08-01: 1 negative
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

1332026-09-15 13:00 — 7 players2026-09-16 21:00 — 9 players2026-09-18 04:00 — 6 players2026-09-19 12:00 — 6 players2026-09-20 19:00 — 6 players2026-09-22 03:00 — 7 players2026-09-23 11:00 — 7 players2026-09-24 18:00 — 6 players2026-09-26 02:00 — 3 players2026-09-27 09:00 — 5 players2026-09-28 17:00 — 7 players2026-09-30 00:00 — 8 players2026-10-01 08:00 — 8 players2026-10-02 15:00 — 10 players2026-10-03 23:00 — 8 players2026-10-05 07:00 — 10 players2026-10-06 14:00 — 6 players2026-10-07 22:00 — 10 players2026-10-09 05:00 — 13 players2026-10-10 13:00 — 11 players2026-10-11 21:00 — 11 players2026-10-13 04:00 — 9 players2026-10-14 12:00 — 11 players2026-10-15 03:00 — 13 players
Concurrent players, hourly average, last 30 days (census samples).
2.5k0Nov 2017Aug 2026Nov 2017 — avg 0 · peak 1Mar 2018 — avg 0 · peak 1Jul 2018 — avg 730 · peak 1,141Oct 2018 — avg 147 · peak 196Jan 2019 — avg 146 · peak 223Apr 2019 — avg 85 · peak 128Jul 2019 — avg 102 · peak 148Oct 2019 — avg 172 · peak 235Jan 2020 — avg 147 · peak 207Apr 2020 — avg 166 · peak 248Jul 2020 — avg 69 · peak 110Oct 2020 — avg 51 · peak 77Jan 2021 — avg 57 · peak 85Apr 2021 — avg 38 · peak 65Jul 2021 — avg 43 · peak 68Oct 2021 — avg 58 · peak 110Jan 2022 — avg 204 · peak 353Apr 2022 — avg 82 · peak 142Jul 2022 — avg 45 · peak 82Oct 2022 — avg 26 · peak 48Jan 2023 — avg 24 · peak 40Apr 2023 — avg 27 · peak 44Jul 2023 — avg 35 · peak 57Oct 2023 — avg 23 · peak 38Jan 2024 — avg 31 · peak 65Apr 2024 — avg 20 · peak 37Jul 2024 — avg 21 · peak 35Oct 2024 — avg 19 · peak 34Jan 2025 — avg 17 · peak 31Apr 2025 — avg 13 · peak 25Jul 2025 — avg 10 · peak 22Oct 2025 — avg 9 · peak 21Jan 2026 — avg 11 · peak 18Apr 2026 — avg 10 · peak 20Jul 2026 — avg 8 · peak 15Aug 2026 — avg 7 · peak 17
Monthly average players (source: steamcharts.com) — history via steamcharts.com; live census sampling since Aug 2026.

Completion

12
achievements tracked
91.6%
earned "Kobold"
40.7%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsSingle-playerSteam AchievementsSteam Trading CardsIn-App PurchasesSteam CloudFamily Sharing

3 supported languages: English, Traditional Chinese, Japanese

Console footprint

PlatformPlayers trackedCompletionTrophies/achievements
Steam (Steam)8,83058%12

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

CuteNSFWAnimeIdlerIndieCasualHentaiMatureNudityClicker

Census log

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

Players also track

Porno Studio TycoonHouse PartyDelude - Succubus PrisonKARAKARA2VR Kanojo / VRカノジョ

Similarity via IGDB.

Official site ↗