© 2026
English, Simplified Chinese, Traditional Chinese, Japanese, Korean
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!
Full Version Now Available. Thank You for Your Support!
《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.
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:
Different build paths lead to different combat experiences — worth experimenting with.
Major Updates Since Launch
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