The Overprepared GM
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    Building the Weald Part 2: Population

    Apr 20, 2018 2 Comments

    In my last post I talked about getting a good physical size of nation and the world.  The next step is actually populating the sucker. Otherwise known as Fun With Spreadsheets. Traditional

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  • World Building

    Building the Weald Part 1: Scale

    Apr 17, 2018 2 Comments

    For the campaign I'm running now, I wanted to build my own world.  A world big enough to hold  different types of adventures and make exploration fun, but internally consistent enough that it felt

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  • Creative Writing

    A GM’s Ode to Spreadsheets

    Apr 12, 2018 No Comment

    Spreadsheets, I love thee.  Let me count the ways. I love thee to the depth and height and breadth My tables reach, when contemplating math For distribution and ideal balance. I love thee to the

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  • Tabletop

    GMing for the long-term

    Apr 09, 2018 No Comment

    I'm not just a GM, I'm also a player, with my husband as my longest-term GM.  In fact, for most people that play with him, he's their longest-term GM, too.  He keeps a group of seven regular

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  • Game Prep

    Session 1: Samhain at Easthome

    Apr 07, 2018 1 Comment

    I recently started GMing a new campaign in a new, custom setting for a new, homebrew system. One of my players was entirely new to RPGs and another had only played once decades ago and wasn't sure if

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  • Inspiration

    Stealing from Touchstone

    Mar 27, 2018 2 Comments

    "Good artists copy. Great artists steal." - Steve Jobs As a compulsive homebrewer/worldbuilder and a compulsive reader, I like to read books and then use their ideas in creating worlds or mechanics

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  • Tools

    Deluxe Initiative Cards

    Mar 25, 2018 2 Comments

    My husband (who GMs with his own group) started using initiative cards first. The idea is straightforward.  Use cards to represent each player turn and monster turn and put them in order of

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  • World Building

    Rethinking the Tavern

    Mar 22, 2018 2 Comments

    I was getting ready for a new adventure recently, and I came across “The Automatic Hound” by James Lafond Sutter in Dungeon Magazine #148.  It's a tidy, low-level module that starts with a town

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  • Mechanics

    Yes, I homebrewed 4e

    Mar 20, 2018 11 Comments

    So, I made a homebrew version of D&D4E, and I'm making my poor players suffer through it. I know.  I know. You don't need to tell me its flaws or sell me on another version of D&D

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Copyright (c) 2018

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About the Site

The Overprepared GM blog was started at the suggestion (cajoling, extortion, whatever) of my best friend L.  The intention is to post entries  twice a week about…

  • Adapting material from one medium or setting to another
  • Adventure modules, pre-made character, or other downloadable content
  • How-tos on creating various GM tools
  • Mathematical analysis of various aspects of the system I create, or maybe of ones I’ve tried and reverse engineered
  • Books and movie reviews, focusing on interesting world building ideas
  • Advice on GMing

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  • Copyright (c) 2018