The Game Census
Monsters' Den: Book of Dread cover art

Monsters' Den: Book of Dread

Monstrum · 2016-07-19

Steam

CasualIndieRPGStrategy

Modes: Single player

Releases: May 12, 2008 (Web browser), Jul 19, 2016 (PC (Microsoft Windows))

Enter the Monsters' Den, a place of endless adventure, battle and reward! Lead your party of four heroes through each level of the ever-changing dungeon, fighting in turn-based battles and hunting for that elusive rare loot. The web-game classic comes to Steam!

Monsters' Den: Book of Dread is a 2016 Casual, Indie, RPG and Strategy game priced at $4.99, with an estimated owner base of 100,000 .. 200,000 and a review sentiment of Very Positive (92% of 293 reviews).

1
playing now
92%
positive of 293 reviews
Very Positive
steam's rating (official)
100,000–200,000
owners (SteamSpy est.)
70/100
IGDB user rating (1 ratings)
3
Nexus mods (6 downloads)
platinum
deck/linux tier (ProtonDB)
Playable
Steam Deck (Valve)
SteamOS: Playable
$4.99
steam price (US)

1 players in-game as of 2026-10-14 16:00 UTC (census sample)

Health check

Quiet
  • · 1 players in-game at the last census sample.
  • · 21 reviews in the last 8 weeks (~3/week).
  • · Review velocity down 9% vs the prior 8 weeks.
  • · Top 17% of 29,032 Casual games in the census by review count.

Health tier since 2026-09-01

Estimated sales: 7.3k–18k copies

Review-multiple estimate from 293 total reviews — how this is computed.

All-time low: $0.74 at Steam (2024-06-27) · bundled 3×via IsThereAnyDeal

12-month high $4.99 · on sale 3 of 6 observed days (census price snapshots)

Review momentum

PositiveNegative
8820162026Week of 2016-12-01: 1 positiveWeek of 2016-12-01: 1 negativeWeek of 2017-01-01: 5 positiveWeek of 2017-02-01: 2 positiveWeek of 2017-03-01: 2 positiveWeek of 2017-04-01: 4 positiveWeek of 2017-05-01: 1 positiveWeek of 2017-06-01: 4 positiveWeek of 2017-07-01: 2 positiveWeek of 2017-08-01: 3 positiveWeek of 2017-09-01: 1 positiveWeek of 2017-10-01: 2 positiveWeek of 2017-11-01: 3 positiveWeek of 2017-12-01: 4 positiveWeek of 2018-02-01: 1 positiveWeek of 2018-03-01: 1 positiveWeek of 2018-04-01: 6 positiveWeek of 2018-04-01: 1 negativeWeek of 2018-05-01: 2 positiveWeek of 2018-06-01: 2 positiveWeek of 2018-07-01: 3 positiveWeek of 2018-10-01: 1 positiveWeek of 2019-01-01: 1 positiveWeek of 2019-01-01: 1 negativeWeek of 2019-02-01: 4 positiveWeek of 2019-02-01: 1 negativeWeek of 2019-03-01: 1 positiveWeek of 2019-03-01: 1 negativeWeek of 2019-04-01: 1 positiveWeek of 2019-04-01: 1 negativeWeek of 2019-06-01: 3 positiveWeek of 2019-07-01: 1 positiveWeek of 2019-09-01: 1 positiveWeek of 2019-10-01: 2 positiveWeek of 2019-11-01: 2 positiveWeek of 2019-12-01: 2 positiveWeek of 2020-01-01: 1 positiveWeek of 2020-02-01: 1 positiveWeek of 2020-03-01: 2 positiveWeek of 2020-05-01: 3 positiveWeek of 2020-06-01: 1 positiveWeek of 2020-07-01: 2 positiveWeek of 2020-08-01: 3 positiveWeek of 2020-09-01: 2 positiveWeek of 2020-10-01: 1 negativeWeek of 2020-11-01: 2 positiveWeek of 2020-12-01: 1 positiveWeek of 2021-01-01: 2 positiveWeek of 2021-02-01: 1 positiveWeek of 2021-03-01: 3 positiveWeek of 2021-03-01: 1 negativeWeek of 2021-04-01: 1 positiveWeek of 2021-05-01: 1 positiveWeek of 2021-06-01: 1 positiveWeek of 2021-07-01: 5 positiveWeek of 2021-08-01: 3 positiveWeek of 2021-09-01: 3 positiveWeek of 2021-10-01: 1 positiveWeek of 2021-12-01: 2 positiveWeek of 2022-01-01: 4 positiveWeek of 2022-02-01: 2 positiveWeek of 2022-03-01: 1 positiveWeek of 2022-04-01: 1 positiveWeek of 2022-05-01: 2 positiveWeek of 2022-05-01: 2 negativeWeek of 2022-06-01: 5 positiveWeek of 2022-07-01: 2 positiveWeek of 2022-07-01: 1 negativeWeek of 2022-08-01: 2 positiveWeek of 2022-09-01: 1 positiveWeek of 2022-10-01: 3 positiveWeek of 2022-12-01: 3 positiveWeek of 2022-12-01: 1 negativeWeek of 2023-01-01: 2 positiveWeek of 2023-02-01: 2 positiveWeek of 2023-03-01: 4 positiveWeek of 2023-04-01: 3 positiveWeek of 2023-05-01: 2 positiveWeek of 2023-07-01: 8 positiveWeek of 2023-08-01: 1 positiveWeek of 2023-09-01: 3 positiveWeek of 2023-11-01: 2 positiveWeek of 2023-12-01: 1 positiveWeek of 2024-01-01: 3 positiveWeek of 2024-02-01: 1 positiveWeek of 2024-03-01: 2 positiveWeek of 2024-04-01: 2 positiveWeek of 2024-05-01: 1 positiveWeek of 2024-06-01: 1 positiveWeek of 2024-07-01: 5 positiveWeek of 2024-08-01: 1 positiveWeek of 2024-10-01: 2 positiveWeek of 2024-11-01: 2 positiveWeek of 2025-01-01: 6 positiveWeek of 2025-02-01: 4 positiveWeek of 2025-03-01: 3 positiveWeek of 2025-04-01: 2 positiveWeek of 2025-05-01: 5 positiveWeek of 2025-06-01: 2 positiveWeek of 2025-07-01: 4 positiveWeek of 2025-08-01: 1 positiveWeek of 2025-09-01: 1 positiveWeek of 2025-10-01: 5 positiveWeek of 2025-12-01: 4 positiveWeek of 2026-01-01: 3 positiveWeek of 2026-01-01: 1 negativeWeek of 2026-02-01: 2 positiveWeek of 2026-03-01: 3 positiveWeek of 2026-03-01: 1 negativeWeek of 2026-04-01: 2 positiveWeek of 2026-05-01: 2 positiveWeek of 2026-05-01: 1 negativeWeek of 2026-07-01: 2 positiveWeek of 2026-08-01: 1 positive
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

3802026-09-15 01:00 — 28 players2026-09-16 09:00 — 13 players2026-09-17 17:00 — 10 players2026-09-19 00:00 — 13 players2026-09-20 08:00 — 7 players2026-09-21 16:00 — 10 players2026-09-22 23:00 — 11 players2026-09-24 07:00 — 5 players2026-09-25 14:00 — 8 players2026-09-26 22:00 — 9 players2026-09-28 05:00 — 3 players2026-09-29 13:00 — 3 players2026-09-30 20:00 — 5 players2026-10-02 04:00 — 10 players2026-10-03 11:00 — 7 players2026-10-04 19:00 — 9 players2026-10-06 03:00 — 1 players2026-10-07 10:00 — 3 players2026-10-08 18:00 — 7 players2026-10-10 01:00 — 7 players2026-10-11 09:00 — 1 players2026-10-12 17:00 — 9 players2026-10-14 00:00 — 3 players2026-10-14 16:00 — 1 players
Concurrent players, hourly average, last 30 days (census samples).
131Jul 2016Aug 2026Jul 2016 — avg 13 · peak 36Nov 2016 — avg 3 · peak 12Mar 2017 — avg 2 · peak 11Jul 2017 — avg 2 · peak 6Nov 2017 — avg 2 · peak 9Mar 2018 — avg 1 · peak 8Jul 2018 — avg 2 · peak 7Nov 2018 — avg 1 · peak 6Mar 2019 — avg 2 · peak 12Jul 2019 — avg 2 · peak 8Nov 2019 — avg 2 · peak 7Mar 2020 — avg 2 · peak 11Jul 2020 — avg 2 · peak 8Nov 2020 — avg 3 · peak 9Mar 2021 — avg 3 · peak 10Jul 2021 — avg 4 · peak 11Nov 2021 — avg 2 · peak 8Mar 2022 — avg 3 · peak 10Jul 2022 — avg 5 · peak 13Nov 2022 — avg 4 · peak 11Mar 2023 — avg 5 · peak 15Jul 2023 — avg 7 · peak 17Nov 2023 — avg 5 · peak 12Mar 2024 — avg 5 · peak 12Jul 2024 — avg 5 · peak 13Nov 2024 — avg 5 · peak 13Mar 2025 — avg 4 · peak 13Jul 2025 — avg 5 · peak 15Nov 2025 — avg 4 · peak 10Mar 2026 — avg 4 · peak 10Jul 2026 — avg 4 · peak 11Aug 2026 — avg 4 · peak 10
Monthly average players (source: steamcharts.com) — history via steamcharts.com; live census sampling since Aug 2026.

Price history

$4.99$0.742016-07-192026-07-092016-07-19 — best price $4.492016-11-14 — best price $4.992016-12-22 — best price $3.742017-04-03 — best price $4.992017-06-22 — best price $2.492017-11-01 — best price $4.992017-12-21 — best price $1.242018-04-30 — best price $4.992018-12-03 — best price $2.492019-01-04 — best price $4.992019-02-04 — best price $1.242019-04-01 — best price $4.992019-08-12 — best price $2.492019-11-01 — best price $4.992019-12-19 — best price $1.242020-01-27 — best price $4.992020-05-18 — best price $1.242020-07-09 — best price $4.992020-11-25 — best price $1.242021-01-05 — best price $4.992021-06-25 — best price $1.242022-01-05 — best price $4.992022-03-12 — best price $4.992022-05-31 — best price $1.002022-07-07 — best price $4.992022-10-10 — best price $4.992022-12-22 — best price $0.992023-03-23 — best price $4.992023-08-28 — best price $0.992023-11-06 — best price $4.992023-12-21 — best price $0.992024-03-21 — best price $4.992024-06-27 — best price $0.742024-07-29 — best price $4.992024-11-27 — best price $0.742025-01-02 — best price $4.992025-06-26 — best price $0.742025-10-06 — best price $4.992026-03-19 — best price $0.742026-07-09 — best price $4.99
Lowest recorded price across tracked stores, per day (census snapshots).

Completion

30
achievements tracked
37%
earned "Tourist"
7.2%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsSingle-playerSteam AchievementsSteam Trading CardsSteam CloudFamily Sharing

1 supported languages: English

Console footprint

PlatformPlayers trackedCompletionTrophies/achievements
Steam (Steam)1725%30

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

Player tags

2DRPGLootFantasyTacticalRogue-likeTurn-BasedClass-BasedPerma DeathDark Fantasy

Census log

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

Players also track

Star Control®: OriginsMight & Magic® Heroes® VIITears of AviaEternity: The Last UnicornDungeon Of Dragon KnightCHANGE: A Homeless Survival ExperienceTorchlight III

Similarity via IGDB.

Official site ↗