The Game Census
Book Of Yog Idle RPG 依盖之书 cover art

Book Of Yog Idle RPG 依盖之书

元气工作室 · 2022-07-29

SteamEpic Games Store

ActionAdventureCasualIndieMassively MultiplayerRPGStrategyFree To Play

Modes: Single player, Multiplayer, Massively Multiplayer Online (MMO)

Releases: Jul 30, 2022 (PC (Microsoft Windows))

The Book of Yog is a 3D idle RPG game presented with a Cel-Shading art style. You can rally heroes, develop the kingdom and explore the secrets of a lost world. Dozens of heroes, hundreds of skills, thousands of loot for you to combine freely. Come to embark on a journey to build the strongest team!

Book Of Yog Idle RPG 依盖之书 is a free-to-play Action, Adventure, Casual, and Indie game released in 2022, with an estimated 200,000 .. 500,000 owners and a Mixed review sentiment (65% of 8968 reviews).

565
playing now
65%
positive of 9.1k reviews
Mixed
steam's rating (official)
200,000–500,000
owners (SteamSpy est.)
0
twitch viewers (latest)
gold
deck/linux tier (ProtonDB)
Free
steam price (US)

565 players in-game as of 2026-10-15 04:00 UTC (census sample)

Health check

Healthy
  • · 565 players in-game at the last census sample.
  • · 911 reviews in the last 8 weeks (~114/week).
  • · Review velocity down 20% vs the prior 8 weeks.
  • · Top 5% of 27,808 Action games in the census by review count.

Health tier since 2026-08-27

Review momentum

PositiveNegative
96896820222026Week of 2022-07-01: 52 positiveWeek of 2022-07-01: 30 negativeWeek of 2022-08-01: 555 positiveWeek of 2022-08-01: 193 negativeWeek of 2022-09-01: 636 positiveWeek of 2022-09-01: 167 negativeWeek of 2022-10-01: 790 positiveWeek of 2022-10-01: 140 negativeWeek of 2022-11-01: 968 positiveWeek of 2022-11-01: 190 negativeWeek of 2022-12-01: 581 positiveWeek of 2022-12-01: 184 negativeWeek of 2023-01-01: 540 positiveWeek of 2023-01-01: 200 negativeWeek of 2023-02-01: 519 positiveWeek of 2023-02-01: 114 negativeWeek of 2023-03-01: 950 positiveWeek of 2023-03-01: 148 negativeWeek of 2023-04-01: 543 positiveWeek of 2023-04-01: 93 negativeWeek of 2023-05-01: 107 positiveWeek of 2023-05-01: 67 negativeWeek of 2023-06-01: 244 positiveWeek of 2023-06-01: 48 negativeWeek of 2023-07-01: 179 positiveWeek of 2023-07-01: 46 negativeWeek of 2023-08-01: 223 positiveWeek of 2023-08-01: 42 negativeWeek of 2023-09-01: 259 positiveWeek of 2023-09-01: 45 negativeWeek of 2023-10-01: 44 positiveWeek of 2023-10-01: 33 negativeWeek of 2023-11-01: 161 positiveWeek of 2023-11-01: 40 negativeWeek of 2023-12-01: 83 positiveWeek of 2023-12-01: 49 negativeWeek of 2024-01-01: 79 positiveWeek of 2024-01-01: 38 negativeWeek of 2024-02-01: 242 positiveWeek of 2024-02-01: 60 negativeWeek of 2024-03-01: 153 positiveWeek of 2024-03-01: 63 negativeWeek of 2024-04-01: 539 positiveWeek of 2024-04-01: 88 negativeWeek of 2024-05-01: 515 positiveWeek of 2024-05-01: 56 negativeWeek of 2024-06-01: 385 positiveWeek of 2024-06-01: 48 negativeWeek of 2024-07-01: 36 positiveWeek of 2024-07-01: 36 negativeWeek of 2024-08-01: 170 positiveWeek of 2024-08-01: 39 negativeWeek of 2024-09-01: 140 positiveWeek of 2024-09-01: 57 negativeWeek of 2024-10-01: 170 positiveWeek of 2024-10-01: 43 negativeWeek of 2024-11-01: 111 positiveWeek of 2024-11-01: 32 negativeWeek of 2024-12-01: 102 positiveWeek of 2024-12-01: 35 negativeWeek of 2025-01-01: 862 positiveWeek of 2025-01-01: 471 negativeWeek of 2025-02-01: 102 positiveWeek of 2025-02-01: 37 negativeWeek of 2025-03-01: 66 positiveWeek of 2025-03-01: 26 negativeWeek of 2025-04-01: 76 positiveWeek of 2025-04-01: 29 negativeWeek of 2025-05-01: 194 positiveWeek of 2025-05-01: 56 negativeWeek of 2025-06-01: 121 positiveWeek of 2025-06-01: 42 negativeWeek of 2025-07-01: 110 positiveWeek of 2025-07-01: 37 negativeWeek of 2025-08-01: 134 positiveWeek of 2025-08-01: 49 negativeWeek of 2025-09-01: 78 positiveWeek of 2025-09-01: 22 negativeWeek of 2025-10-01: 69 positiveWeek of 2025-10-01: 17 negativeWeek of 2025-11-01: 91 positiveWeek of 2025-11-01: 18 negativeWeek of 2025-12-01: 46 positiveWeek of 2025-12-01: 19 negativeWeek of 2026-01-01: 106 positiveWeek of 2026-01-01: 44 negativeWeek of 2026-02-01: 73 positiveWeek of 2026-02-01: 20 negativeWeek of 2026-03-01: 79 positiveWeek of 2026-03-01: 26 negativeWeek of 2026-04-01: 90 positiveWeek of 2026-04-01: 27 negativeWeek of 2026-05-01: 58 positiveWeek of 2026-05-01: 24 negativeWeek of 2026-06-01: 102 positiveWeek of 2026-06-01: 39 negativeWeek of 2026-07-01: 120 positiveWeek of 2026-07-01: 38 negativeWeek of 2026-08-01: 80 positiveWeek of 2026-08-01: 53 negative
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

1.1k1752026-09-15 13:00 — 856 players2026-09-16 21:00 — 234 players2026-09-18 05:00 — 672 players2026-09-19 12:00 — 803 players2026-09-20 20:00 — 390 players2026-09-22 04:00 — 763 players2026-09-23 11:00 — 984 players2026-09-24 19:00 — 425 players2026-09-26 02:00 — 701 players2026-09-27 10:00 — 812 players2026-09-28 17:00 — 447 players2026-09-30 01:00 — 408 players2026-10-01 08:00 — 768 players2026-10-02 16:00 — 626 players2026-10-03 23:00 — 243 players2026-10-05 07:00 — 595 players2026-10-06 15:00 — 645 players2026-10-07 22:00 — 175 players2026-10-09 06:00 — 499 players2026-10-10 13:00 — 727 players2026-10-11 21:00 — 200 players2026-10-13 05:00 — 578 players2026-10-14 12:00 — 660 players2026-10-15 04:00 — 565 players
Concurrent players, hourly average, last 30 days (census samples).
3.1k432Aug 2022Aug 2026Aug 2022 — avg 591 · peak 2,008Oct 2022 — avg 2,374 · peak 3,501Dec 2022 — avg 3,126 · peak 4,151Feb 2023 — avg 2,342 · peak 3,292Apr 2023 — avg 2,392 · peak 3,302Jun 2023 — avg 1,592 · peak 2,253Aug 2023 — avg 1,046 · peak 1,582Oct 2023 — avg 1,583 · peak 3,781Dec 2023 — avg 515 · peak 929Feb 2024 — avg 570 · peak 999Apr 2024 — avg 762 · peak 1,577Jun 2024 — avg 544 · peak 948Aug 2024 — avg 570 · peak 985Oct 2024 — avg 694 · peak 1,180Dec 2024 — avg 536 · peak 951Feb 2025 — avg 592 · peak 1,051Apr 2025 — avg 492 · peak 1,584Jun 2025 — avg 578 · peak 1,241Aug 2025 — avg 745 · peak 1,276Oct 2025 — avg 514 · peak 982Dec 2025 — avg 480 · peak 855Feb 2026 — avg 460 · peak 861Apr 2026 — avg 483 · peak 917Jun 2026 — avg 580 · peak 1,138Aug 2026 — avg 756 · peak 1,278
Monthly average players (source: steamcharts.com) — history via steamcharts.com; live census sampling since Aug 2026.

Chart history

PositiveNegative
662026-09-222026-10-142026-09-22: 2 new negative2026-09-23: 2 new positive2026-09-24: 5 new positive2026-09-25: 1 new positive2026-09-25: 1 new negative2026-09-26: 1 new positive2026-09-26: 1 new negative2026-09-27: 2 new positive2026-09-27: 4 new negative2026-09-28: 2 new positive2026-09-28: 2 new negative2026-09-29: 2 new positive2026-09-29: 2 new negative2026-09-30: 1 new negative2026-10-03: 2 new positive2026-10-03: 1 new negative2026-10-04: 1 new positive2026-10-06: 1 new negative2026-10-10: 5 new positive2026-10-10: 2 new negative2026-10-11: 5 new positive2026-10-11: 2 new negative2026-10-14: 6 new positive2026-10-14: 1 new negative
New Steam reviews per day (census review snapshots). Positive above the line, negative below.

Twitch viewers

102026-10-01 05:34 — 0 viewers2026-10-01 14:34 — 0 viewers2026-10-01 23:34 — 0 viewers2026-10-02 08:34 — 0 viewers2026-10-02 17:34 — 0 viewers2026-10-03 02:34 — 0 viewers2026-10-03 11:34 — 0 viewers2026-10-03 20:34 — 0 viewers2026-10-04 21:34 — 0 viewers2026-10-05 06:34 — 0 viewers2026-10-05 15:34 — 0 viewers2026-10-06 15:34 — 0 viewers2026-10-07 00:35 — 0 viewers2026-10-07 09:34 — 0 viewers2026-10-07 18:34 — 0 viewers2026-10-08 19:34 — 0 viewers2026-10-09 04:34 — 0 viewers2026-10-09 13:34 — 0 viewers2026-10-10 14:34 — 0 viewers2026-10-10 23:34 — 0 viewers2026-10-11 08:34 — 0 viewers2026-10-11 17:34 — 0 viewers2026-10-12 17:34 — 0 viewers2026-10-13 02:34 — 0 viewers2026-10-13 11:34 — 0 viewers2026-10-13 20:34 — 0 viewers2026-10-14 21:34 — 0 viewers2026-10-15 04:34 — 0 viewers
Hourly Twitch viewers (census snapshots).

Details

WindowsSingle-playerMulti-playerMMOIn-App PurchasesFamily Sharing5 DLC

2 supported languages: English, Simplified Chinese

Post-launch support: 5 DLC released, first 2023-10-24, latest 2025-05-01 (Steam store data)

Where its players are

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

Player tags

IndieActionCasualNudityAdventureAction RPGRogue-likeStory RichMultiplayerAuto Battler

Census log

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

Recent updates

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Similarity via IGDB.

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