Catalog
Book of Yog Idle RPG

Book of Yog Idle RPG

Live

ActionMelee actionAdventureRPGStrategyCasual and puzzleIdle and clicker

Platforms
Release:
2022
Developer:
元气工作室
Scale:
Average concurrent players705
Player rating:
65.3% · 9K
Profile data as of:
August 29, 2026

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!

Screenshots

Images from the source page, in source order. Select an image to view it full size.

Videos

Videos from the game’s source page, in source order. Select one to open the original.

Overview

Franchise
Unknown
Release date
  • Windows — July 29, 2022
Age rating
  • ClassInd L — Livre, age 0+ · Steam Store
Content warnings
Mature content
Interaction modes
Single-playerMultiplayer
Session capacity
Unknown
Access model
  • Free to play
Monetization
  • In-app purchases
Storefront price
Unknown
Store contents
  • 5 DLC · Steam Store, August 29, 2026
Languages
EnglishChinese, Simplified script

Classification

Genres
ActionMelee actionAdventureRPGStrategyCasual and puzzleIdle and clicker
Evidence:
Setting and subject matter
Unknown
Camera
Unknown
Visual style
Anime
Combat system type
Melee combat

Scale

Concurrent players · period average

705

August 16, 2026 — September 15, 2026

under 100over 1 million
Detailed value
705.13
Coverage
Steam
Origin
Published by source
Confidence
Medium — The site's calculation method is not published
Basis
Average concurrent Steam players over 30 days from Steam Charts: 705
Date observed
September 15, 2026
Source
Steam Charts

Concurrent players · period peak

1,280

August 16, 2026 — September 15, 2026

under 100over 1 million
Detailed value
1,278
Coverage
Steam
Origin
Published by source
Confidence
Medium — The site's calculation method is not published
Basis
Peak concurrent Steam players over 30 days from Steam Charts: 1,278
Date observed
September 15, 2026
Source
Steam Charts
Ratings
  • players65.3% · 9KSteam, US storefront · Steam reviews
Last update

Concurrent players

period average · August 2022 — August 2026 · Steam · published by source · Steam Charts

3,1300
August 2022August 2026
Change over period
+28%increase from 591 (August 2022) to 756 (August 2026)
Gaps
No gaps in observed months
Observations
49

Mechanics

Key game systems from the Mechanics Catalog. Assessment axes are independent and are not combined into a single score. An unassessed mechanic is unknown, not absent.

  • Clan system

    Not assessed

    A persistent player organization created or recognized by the game itself, with a stable membership, a life beyond one session, a shared identity, functions, and goals.

  • Player economy

    Not assessed

    An in-game system where player decisions materially influence at least part of the production, supply, distribution, or price of in-game value.

  • Territory control

    Not assessed

    A system where players or organizations capture, hold, and use parts of the game world with lasting consequences.

  • Competitive PvP

    Not assessed

    Structured competition between players with rules and a measurable outcome, usually including skill-based matchmaking.

  • A regular rhythm of meaningful updates, including seasons, patches, events, and a roadmap that supports a long product life.

  • A system for long-term character or account development through levels, skills, equipment, and specializations.

RealmScanner is a research catalog for multiplayer games. Data comes from public sources; coverage and evidence appear beside each assessment.