Patch notes
Bug Fixed
Cards SnowFlake Reduce Shoot Range from 15 / 30 / 60 to 10 / 20 / 40
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Book of the Old
Also known as Book of the Old, boo, book of old
Roguelike shooting game with an autochesslike card system. Now what you get after cleaning a room not only depends on your luck -- it depends on the combination of planning, decision, and luck. What is your road, you decide.
Last update
20 May 2026
Players now
0
Latest update
Update history
Browse past updates and patch notes for this game.
9 updates
April 2022
- Enter the DragonWe're excited to be part of Enter the Dragon, an all-new event running from April 22 - 29 celebrating the fantastic games being developed by studios from across the Greater China region. We'll also be taking part in the…
July 2021
- Difficulty System The difficulty system is divided into four levels: Simple, Hard, Crazy, and Nightmare. For maps of different levels, the probability of the appearance of elite monsters and enhanced monsters will be di…Patch notes
June 2021
- In this update, all AIs have been reworked, and the current AI can deal with the stun effect more reasonably; at the same time, the behavior AI and some skills of all bosses have been reworked, and overall difficulty an…Patch notes
- Materials The materials will be dropped by defeating a Boss. They are necessary items to synthesize potions and upgrade sealed items. Potions The potion is a one-time consumable. It is synthesized from materials. You ca…Store
May 2021
- 2021-05-08 HP Recovery Mechanism Modified and Bug FixedGame Mechanics HP Recovery The former “HP Recovery per Kill” of the player character and the card effect are now replaced with two attributes: the “HP Recovery Chance” and the “HP Recovery”. Now every time a monster is…
April 2021
- Room Mechanism In the new version, 7 traps/triggers have been added to the room, and use the new room mechanism to redo the maps of all areas. Spike Trap Any unit will activate the trap after stepping on it, and the tra…Patch notes
- Teleportation Function Now the puppet can teleport to any entered room through large map. The teleportation function will be disabled during the battle. Small Update & Bug Fixed The dialogs can be skipped with any keys…Patch notes
- Monster Reduce the model size of each monster. Improve the pre-loading mechanism to reduce the stuttering phenomenon when loading monsters for the first time. Map Improved scanning speed of room route planning. Deleted…Patch notes
Gallery
In-game media
Achievements
Community progression
Top picks from 11 Steam achievements, sorted by player unlock rates.
- Secret ManorEnter the exploration area for first time.88.3%
- No NeedSold a card.67.8%
- UpgradeGot a 3-star card.48.6%
- SmashDefeat a boss in 15 seconds.37.5%
- Card PowerGot 10 cards in CEREMONY area.37.5%
- Secret BornFail in the exploration for first time.35.7%