THE UNIVERSAL ROLEPLAYING GAME RULES SYSTEM
MasterBook joins the Precis Intermedia family. It was originally published in 1994 by West End Games.

“THE EMPHASIS HERE IS ON DRAMA”“MASTERBOOK'S GAME SYSTEM IS SO SLICK”
“YOU HAVE TO PLAY THIS SYSTEM TO BELIEVE IT”“SUCH GREAT FUN IT IS HARD TO COMPARE”
“I DEFY YOU TO FIND SOMETHING YOU CANT BUILD WITH ITS POWER CREATION SYSTEM”“EXCELLENT GAME SYSTEM!”

MasterBook is a game system that can be used to roleplay in virtually any game universe, with virtually any options.

The MasterBook game mechanics require only two 10-sided dice, although extras may be rolled as bonuses. Variable results determine the outcome of both combat and social interaction, with a value scale used to quantify weights, distances, and times for these outcomes. MasterDeck™ cards may be played to enhance abilities and situations or create exciting plot twists. Custom powers and magical spells can be created to suit your game world.

Try the free MasterBook EZ download to get a feel for the basics of the system.

Enhance your MasterBook game with MasterDeck™. Add special cinematic bonuses, character subplots, initiative effects that change each turn (which side goes first and who is helped or hindered), and critical skill resolution (a series of steps that must be completed in a given time).
Create your own supplemental material for MasterBook royalty-free. Click here to download the Open Supplement License. Click here to view MasterWorld products.
Welcome to the world of fantasy noir. Pulp adventure meets dark fantasy. Portray tough detectives, vampires, demonic breeds, long-dead ghouls, and more. For more information about The World of Bloodshadows MasterBook setting, click here.
Click here for an overview of the 2E rules now in public playtest.


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Roleplaying Game
MasterBook EZZoom
MasterBook EZ
UPDATED Sep 22, 2020: Now version 2.5, which is even simpler and quicker to play. MasterBook is a universal roleplaying system. Flexible and ...

Roleplaying Game
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MasterBook Core (Classic Reprint & 2E)Zoom
MasterBook Core (Classic Reprint & 2E)
Updated: Now includes download of Second Edition public playtest (10/13/20). Precis Intermedia brings this classic universal roleplaying system (originally published by West End ...

Roleplaying Game
 $9.95 
$7.95 
Digital Delivery 

$19.95 
Digital & Postal Delivery 
Roleplaying Game Bundle
Bloodshadows/MasterBook ComboZoom
Bloodshadows/MasterBook Combo
The MasterBook Fantasy Noir Game Set.

Roleplaying Game Bundle
 $18.90 
$12.95 
Digital Delivery 

$29.95 
Digital & Postal Delivery 
Roleplaying Game Supplement
MasterBook Companion Softcover (Classic Reprint) *SCRATCH&DENT*Low StockZoom
MasterBook Companion Softcover (Classic Reprint) *SCRATCH&DENT*
Scratch & Dent Edition of the MasterBook Companion for the MasterBook core rules.

Roleplaying Game Supplement
 $18.95 
$6.95 
Postal Delivery 
MasterBook Companion (Classic Reprint)Zoom
MasterBook Companion (Classic Reprint)
Precis Intermedia brings this classic universal roleplaying supplement (originally published by West End Games) back in PDF format. FROM THE ORIGINAL BACK COVER: ...

Roleplaying Game Supplement
 $6.95 
$4.95 
Digital Delivery 

$18.95 
Digital & Postal Delivery 
Bloodshadows for MasterBook (Classic Reprint)Zoom
Bloodshadows for MasterBook (Classic Reprint)
A Fantasy Noir Game World for MasterBook.

Roleplaying Game Supplement
 $8.95 
Digital Delivery 

$19.95 
Digital & Postal Delivery 
Bloodshadows Softcover for MasterBook *SCRATCH&DENT*Zoom
Bloodshadows Softcover for MasterBook *SCRATCH&DENT*
Scratch & Dent Edition of the Bloodshadows worldbook.

Roleplaying Game Supplement
 $19.95 
$6.95 
Postal Delivery 
Atomik Conversion KitZoom
Atomik Conversion Kit
Use the Atomik Add-Ons directly with other game systems.

Roleplaying Game Supplement
 $0.00 
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Hex VestigeZoom
Hex Vestige
It is the future. Super-science, space ships and aliens. Rare individuals wield magical forces, making them super-human. This setting for MasterBook includes new rules and an adventure.

Roleplaying Game Supplement
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Hidden KnowledgeZoom
Hidden Knowledge
This collection of NPC statistics and random tables for MasterBook is flavored with extra rule options and adventure creation guidelines for modern games. ...

Roleplaying Game Supplement
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Roleplaying Game Accessory
MasterDeck (for MasterBook & Shatterzone)Zoom
MasterDeck (for MasterBook & Shatterzone)
Want a real deck of cards for the MasterBook or Shatterzone Classic Reprint? Or have you lost your old MasterDeck cards for MasterBook or ...

Roleplaying Game Accessory
 $19.95 
Postal Delivery 
MasterDeck PDF (for MasterBook & Shatterzone)Zoom
MasterDeck PDF (for MasterBook & Shatterzone)
Have you lost your old MasterDeck cards for MasterBook or Shatterzone? Or maybe you picked up old copies that didn't include the cards. Now ...

Roleplaying Game Accessory
 $4.95 
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MasterDeck Plot Development (for MasterBook & Shatterzone)Zoom
MasterDeck Plot Development (for MasterBook & Shatterzone)
Looking to give your players the ability to personalize adventures a bit more? These printed Plot Development cards are special subplot cards that can ...

Roleplaying Game Accessory
 $9.95 
Postal Delivery 
MasterDeck Plot Development PDF (for MasterBook & Shatterzone)Zoom
MasterDeck Plot Development PDF (for MasterBook & Shatterzone)
Looking to give your players the ability to personalize adventures a bit more? These Plot Development cards are special subplot cards that can be ...

Roleplaying Game Accessory
 $0.99 
Digital Delivery 
Dice
Dice: 10-sided (2-pack)Zoom
Dice: 10-sided (2-pack)
Need only two dice for determining percentages or as spares? These dice are numbered from 0 to 9 (the 0 is treated as a ...

Dice
 $0.99 
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Displaying 1 to 15 (of 15 products)  1 
Masterbook Articles
MasterDeck Plot Development Instructions
How to add Plot Development Cards to your MasterDeck.
Alternative use of Life Points
For more heroic games
Adjusted Movement rules
fix to the Complex Movement rules
MasterBook Special Effects Worksheet
Worksheet for creating MasterBook special effects
Bloodshadows GM Character Log
Gamemaster character sheets for Bloodshadows
Bloodshadows Character Sheet
Remastered character sheet for Bloodshadows
MasterBook Reference Sheets
Important Tables for MasterBook
MasterBook Animals
Animal specifications for MasterBook
MasterBook Vehicle Sheet
Remastered vehicle sheet for MasterBook
MasterBook Open Supplement License
License for distributing supplemental material for the MasterBook roleplaying rules.
Displaying 1 to 10 (of 13 articles)More... 
 
External Resources
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