
Lead adorable warriors to form an adventure team to work and adventure on the computer desktop. Defeat the warriors to save the world. Rich nurturing and collection elements, idle and slack off to earn money and fight monsters!
Modeled estimate, not a reported figure. How we estimate →
Discounts
Every price cut of more than 20% we have observed, in each market that quoted one, with this game's chart position on either side of it. These are episodes, not a model: a sale is one event, and one event cannot tell you what the next one will do.
Reviews, worldwide (the counter carries no country): 1/day in the week to Aug 3 → 0.29/day in the week after.
For scale, across Steam · Top Sellers · Brazil over the last 30 days: the 26 chart moves that followed a price cut of more than 20% went a median of 7 places towards #1, and the 2,400 moves with no price cut behind them went 2 away. One store, one chart, one country — it is the only place we have enough observations to say even that.
Prices outside the United States have been collected since 6 August 2026 and chart positions since 19 July 2026, so a cut older than that has no market to compare and a market that joined later has no history yet. Nothing here is converted between currencies.
About
《Book of Fei》 is a cute and casual idle RPG played directly on your computer desktop. The game interface appears at the bottom of your system desktop, offering adorable companionship during busy work hours!
Adventure through different regions in the book world, challenge monsters, defeat the Demon King, and uncover the truth of this realm.
Your heroes battle, level up, and work part-time jobs at the bottom of your desktop.
Interact with heroes to deepen bonds.
Command heroes to adventure in various regions for leveling up and unlocking advanced classes to become the ultimate warrior. Collect rare card gear with different effects to modify heroes' abilities and build the strongest party.
Assign heroes to work in different areas to earn gold, then purchase and collect superior equipment, combat mechanisms, and enhancement badges to fully boost your team's power!
Acquire badges and scene props with various effects to optimize your hero squad!
Specially designed for busy professionals, featuring core functions like screen resizing, interface scaling, one-click interface hiding, and instant game window concealment.
Core Gameplay
6 heroes, 24+ advanced classes, level cap of 2000
Battle tiles for auto-farming, work tiles for idle gold earning
Hundreds of equipment pieces and cards for team building
Decoration system, desktop pet
Transparent window design, one-click hide to system tray
Equipment & Badge Enhancement
Equipment can be enhanced to raise its level, with different quality tiers offering different enhancement caps. The badge system provides additional stat bonuses with enhancement up to +100 levels. Soul Badges are a separate advanced badge line with their own progression curve and visual glow effects.
Awakening System
All 6 heroes can Awaken into ultimate classes with new combat mechanics and skills. Each Awakened class plays differently.
Endless Defense
Tower-defense style wave combat. Build-craft with the affix system. Each hero has a dedicated defense talent tree.
Paragon Talents
Endgame progression system unlocked after all heroes are Awakened. Hexagonal talent board with a shared talent point pool.
Artifact System
12 Zodiac constellation artifacts, each with unique combat effects. They drop naturally over time and are displayed in your Artifact Cabinet.
Forge Temple
20+ difficulty tiers of challenge dungeons. Enemies have Demonic Shields that must be shattered. Choose heroes for training, collect materials, and craft Mythical Equipment with random stat affixes.
Auto Challenge
Hands-free stage progression with main-story-only mode, automatic work-for-gold switching, and auto-harvest.
Builds & Synergies
Awakened classes, cards, defense affixes, talents, and artifacts can combine in interesting ways. For example:
Awakened Archer with talents and the Sagittarius artifact, multi-shot melting enemies
Awakened Priest with passives and Paragon talents to wipe the entire screen
Awakened Guardian stacking reflect and shields — the more enemies hit you, the stronger you get
Awakened Warrior burning HP with lifesteal, getting deadlier the closer to death
Awakened Dancer stacking evasion to 100% for permanent invincibility, grouping enemies and detonating them all at once
Different build paths lead to different combat experiences — worth experimenting with.
Major Updates Since Launch
Endless Defense mode and Defense Talents
All 6 Class Awakenings
Paragon Talent system
12 Zodiac Artifact system
Forge Temple and Mythical Equipment
Dragon Continent (Elemental Dragon hatching, dragon pet training, elemental attribute system)
Auto Challenge system
Soul Badges and equipment enhancement system
Transmog system (free appearance switching)
Decoration building system
Save management and auto-backup
More updates in progress
Engagement
Reviews
Themes across 76 recent reviews and how positive each mention is. A keyword signal, not full sentiment analysis.
Reviews
有点无聊,完全没有养成的感觉
质量非常高的放置挂机游戏,每个设计都可以填满,不需要一个选错了就想重开,自动有自动的满足,手动有手动的满足,要轻松有轻松,要深度有深度,但不是无底洞一看望而却步的,游戏画面还很好,角色设计和技能都不错,整体可以说非常精良非常懂放置挂机爽点,但这样的游戏居然不算很火,有点遗憾,我推荐每个放置挂机爱好者可以买,十分推荐。
是不錯玩,掛到中後期完全不知目的為何,也意識不到隊伍強度是否增強了,感覺純為了掛機而掛
Media

Related
Related
Price dynamics, follower growth, revenue and sales trajectories with interactive tooltips
This and every other Pro feature is free until October 20, 2026. A free account is all it takes.
Genres
Stats
All-time low is the lowest price we've recorded for this game since we started tracking it.
Languages: English, Simplified Chinese, Traditional Chinese, Japanese, Korean
Hours played at review time, across 77 reviews with recorded playtime.
positive critical· bar length = how often the theme comes up
好玩爱我,挂着学习很舒服,想点的时候可以点点点,不想点的时候可以挂着
性价比超高的挂机游戏,内容很丰富,成长曲线也很舒适,就是战斗系统有点浮于表面,构筑基本没有 优点:可玩性高,挂机收益高 缺点:构筑内容少,没有离线收益 评分:8/10
The game is very fun to play while you are doing something else on desktop, but once you unlocked a skill that can automate everything, you pretty much do almost nothing. No wonder the game is $2.99.
.
不错啊,挺好玩的,前中后都有新鲜感,十小时左右全成就,后期有些需要刷时间的部分,可以继续玩也可以不玩了 不会设置逆天数值一定要玩家完成,我现在就把蛋孵化出来看看又是什么新东西,就差不多可以删游了 8/10
挂机内容丰富,但各阶段(货币)多为缝合,相互之间关联甚少。初期角色互动颇为有趣,但后期基本为重复元素。解锁步骤基本合理,但战斗信息反馈不多,难以判断决策优劣。
满大街的像素风桌面放置费眼睛,早就看腻了,这游戏画面细腻,技能华丽,很符合我的胃口。期待后续更多内容。
Selling now
See how fast this game is selling right now — estimated copies and revenue per day from recent review growth.
Active players
Estimated daily and monthly active players (DAU/MAU) modeled from peak concurrency.
Players by region
Where this game's players are, estimated from review languages.
Players also reviewed
The games this title's players most often review too — audience affinity.
Related
| Game | Estimated lifetime revenue | Reviews | Review score | Price |
|---|---|---|---|---|
| $1.5K | 8 | 50% | $7.19 | |
| $0 | 6 | 50% | Free | |
| $0 | 0 | — | Free | |
| $0 | 0 | — | Free | |
| — | 0 | — | — | |
| — | 0 | — | — |
Related
| Game | Estimated lifetime revenue | Reviews | Review score | Price |
|---|---|---|---|---|
| $19.4K | 471 | 94% | $0.99 | |
| $19.4K | 175 | 74% | $6.99 | |
| $19.4K | 608 | 48% | $1.49 | |
| $19.4K | 152 | 50% | $4.99 | |
| $19.4K | 149 | 80% | $9.99 | |
| $19.4K | 81 | 69% | $9.99 |